NYC pros:

Massive and diverse, tremendous amounts of smart ambitious people.

It is the most beautiful city in the USA with great architecture and tremendous choice for different lifestyles. Every neighborhood has a personality.

Unbeatable cultural and entertainment offer. Fantastic night life.

Great educational institutions at all levels.

Extremely well located for travel to Europe, more central than Miami or Bay Area.

It is a walkable city.

It has tremendous study and work opportunities.

NYC cons:

Weather is awful, extremely hot, extremely cold for 8 months of the year, only 4 months of California type weather.

People put too much emphasis on themselves and their careers and less on family and friends.

Too many people are aggressive, arrogant, overworked and stressed out. Even the same people behave this way when they are in NYC and become more sensitive and considerate when they leave even to nearby East Hampton.

Taxes are extremely high and services poor.

It’s very hard to get in and out of the city, reach airports, etc.

Extremely expensive city, housing, transportation, dining, entertainment all unaffordable to many.

Too many lawyers and bankers, some are nice but as a group they are not my favorite people in the world to hang out with.

Bay Area positives:

People are brilliant and kind, a rare combination.

Entrepreneurship is everywhere, people are extremely creative and resourceful at building innovative companies.

Weather in the Peninsula is arguably the best in the world, you get seasons but not extremes, great number of sunny days.

Amazing nature, tremendous amount of green areas close to populated areas. Fantastic for outdoor sports.

Great quality of public services.

Fantastic job opportunities.

Best educational institutions in the world. Best public schools in the world, best universities.

Tremendous availability of VC money to start ventures.

The spirit of California is unique and unbeatable, anything is possible is the mantra.

Bay Area negatives:

Limited cultural and entertainment offer.

Nightlife is practically non existent.

SF weather is awful in the summer.

Incredibly isolated from the rest of the world, 6 hours to the East Coast, 12 hours to almost anywhere else in the world, if you live in California you have to love California because everything else is a day or two of travel away. If you run a global business from SF you will spend your life on a plane. Even if you run a US business you will spend much more time flying than people in NYC or Miami.

Mono thematic, if it’s not tech it’s not relevant.

If you are raising kids it is very hard to find help.

Miami Pros:

People have time for family and friends and are overall less stressed out, happy.

Fantastic weather 9 months of the year and the other 3 you can leave because kids not at school.

Unlike NYC or Bay Area everything is close to where you live. Except for a few weeks a year there is no traffic to speak of.

Fantastic night life and restaurants.

Low taxes.

Easy to move around by bicycle or walking.

Fantastic homes and beach life.

Incredibly busy airport 15 minutes away from Miami Beach with flights to almost anywhere in the world.

Well located to travel to anywhere in the USA and Europe, Latin America and Africa. You can run a global business from here.

Affordable compared to the Bay Area and NYC.

If you are raising kids and can afford it, it is very easy to find help.

Great music, if you love music there are tons of music related events and music festivals.

Fantastic water surroundings, sailing, boating, beach life, water sports.

If you have your own professional path, and don’t depend in a city to give it to you like I don’t, living in Miami is great because when you are not working you can truly relax and have fun.

While many of your friends are probably somewhere else they all like to come and visit you.

Miami Cons:

Lack of intellectual stimulation.

Emphasis on “show off” shallow values which are bad for raising children.

People are less reliable vis a vis work.

It´s hard to recruit extremely talented people of the kind you find in NYC or the Bay Area.

Limited work opportunities.

During the summer you better find a way to get out, it’s awful.

Lack of great universities and intense intellectual life.

Lack of success stories which are so inspiring in the Bay Area and NYC.

Universities are mediocre.

Too much emphasis on real estate and tourism as the main two industries of the city.

Hurricanes and rising sea level are an imminent threat, you get a sense that this city will be the first casualty of climate change.

Miami Beach, South Beach where we are now is a mostly liberal open minded community. But in deep Florida you find alligators and their political equivalent.

As depressing as Trump counter factual populism is, there is something even more worrying: the conditions that made Trump happen are not going away. These are elite education and a deteriorating job market.
As Trump says he loves the uneducated. And by tying lower education to residence and higher education to income, our society can’t stop producing his type of voters. The best universities in the USA can only accept about 3% of those who turn 18 every year. So a country that provides elite education for only 3% of its population shouldn’t be surprised, that a candidate who preys on the rest with reality TV appeal and groundless proposals, can get elected. 
And then there’s deteriorating job quality. Yes we still have jobs, like we still have car owners. But the trend towards massive automation is about to take a few more exponential steps. And as cars will be mostly pooled and driverless, many of today’s jobs will also go the way of AI. First will be transportation, then hospitality, then health care.
The next Trump will not speak about Mexicans stealing our jobs and be wrong about them, he will speak about AI stealing our jobs and be right about it. So either we find a way to educate more people and provide occupations and basic income to all, or we will have Trump after Trump. And one day democracy will be a distant memory.

Last night I had dinner in San Francisco with an illustrious group of people. Some of them would arguably be perceived as the smartest people around. Yet their worldview was very biased by their life in Silicon Valley. 
A lot of the conversation on inequality centered around how zoning laws are pricing a new generation out of the housing market. True here. Not true in Atlanta, Berlin, Miami. Are restrictive zoning laws a problem? Yes, but are they the reason why there is inequality? Only partly, and depends where. I have another explanation for inequality and that is: inheritances, elite education, uneven distribution of talent.
Another Bay Area centric explanation was that pervasive technology is causing violence. Do we believe that Syrians or Libyans are killing each other because they have Facebook or Twitter? Not really. Hutus and Tutsis killed each other without smartphones and with machetes. I see the violence in the Middle East as a resurgence of tribalism, fake us vs them. Religion being used for tribal purposes.
Then there was the belief that education is not what is needed to solve inequality, because many people with college degrees end up serving coffee. Yes this may be true here. But in most of the world access to education is indeed a ticket to the middle class. And less education will give us more Trumpism. As he said it he loves the uneducated. Moreover education is about being part of a culture, not only a way to get what job.
Lastly a very radical view, was that robots and AI are taking over the world, and hence, an experiment in basic income was started in Oakland to simulate a world in which nobody has a job. Could AI and robots leave many without work? Yes. But so did mechanized agriculture. 
In short all the problems were real. But the intensity attributed to each one of them and the proposed solutions were very Northern California.

Today Leo (9) and I were on Messenger, using video, he in Madrid and me in Miami. We were having a long conversation as he walked around Madrid doing different things and I was doing my work. So we were virtually together for quite a while, happy the other person was there, sometimes silently. At some point Leo said to me. Dad, aren’t you glad we live in the future and you and I can do this? My reply was that for a long time I had beeen dissapointed about the future. Fabrice Grinda and I debated this point around 5 years ago and he was the first person who alerted me that the future was finally arriving. He knows I felt that when I was at university in the 80s we believed that by the year 2000 so much would be different, and it wasn´t. But over the last 4 years, I realized, that the future that we were promised in the 80s indeed has arrived. Prelude, my new company that is focused on having babies with fewer illnesses and whenever people are ready, involves two technologies, vitrification and genetic sequencing of embryos that were not available a few years back. Fon and others have blanketed the world with WiFi making it easier and cheaper for hundreds of millions to connect. Tablets and smartphones have reached the masses. Driverless cars are already going around the streets and while they may not fly as we thought, they are radical. CRISPR has given us a real chance to gain control of evolution and my belief is that we will use this tool wisely as we now use genetically modified food. Living in a connected world is enabling us to stay in touch emotionally and intellectually with the rest of the planet. The app economy has given us knowledge and comfort in the palm of our hands, almost as a second arm and a second brain, always with us. Hyperloop is doing away with the connection between speed and the sound barrier getting rid of the atmosphere at sea level. So yes, I am very glad Leo that we live in the future. And while nothing will replace the hug I would love to give you, following you around Madrid today, made me feel very close to you.

My elevator talks to me. But doesn’t listen. It says  “8th floor” when we get there. But I can’t just say “8th floor” to go up, I have to press a button. And my elevator doesn’t recognize me, nor my voice. So anyone else who is not authorized can go to the 8th floor. I think it’s time that what Nest did to thermostats, somebody does to elevators. Have elevators respond to voice commands and only take authorized users to their floors.  And how about having elevators tell you if your little kids get in by mistake. Or they notice that you walked in and tell your Uber or Lyft “Martin is arriving in 1m”. Or have sensors in the front door that call the elevator down before you get to it.  Or use AI to learn building traffic patterns along the day and save energy and time for building occupants. There’s lots of cool things that a smart lift could do.

Unfortunately yesterday while on a road bike ride in Miami, I crashed. It wasn’t awful. I will be fine soon. But today I have pain in different parts of my body and stayed in bed. The last time I fell off my bike was in 1997. Back then all I could do while in bed was to read a book, speak on the phone and watch TV. 19 years later, in bed, I realize that a tremendous amount of technological effort has been invested in building what could be called the “life in bed” economy. And recovering from a bike accident is a world of choice.

-want to eat in bed? Seamless, GrubHub, Uber eats, and many others will make sure your recently cooked and warm food is home delivered.

-want to socialize in bed? Facebook, Instagram, Whatsapp, Messenger, Twitter, Skype, LinkedIn and many others will make that very easy.

-want to be entertained in bed? Netflix, Amazon Prime, Youtube, Showtime, HBO and many other digital services will give you all the movies and tv shows ever made on your iPad.

-want to shop in bed? there are so many services that will get you whatever you want while in bed! the most obvious ones Amazon, eBay, Apple.

-want to study in bed? Udacity and many other purely online or also online universities will help you get your in bed degree.

-want to read in bed? Kindle and the Kindle app will make that easy.

-want people to come home and give you a massage, manicure, or any other services while at home? TaskRabbit ThumbTack and all their competitors will basically get you any kind of service at home you can dream of.

-want to listen to music? no need to reach out for a CD anymore, Spotify, Soundcloud and others will give you all the music ever made at the touch of your smartphone.

As I recover I wonder if this life in bed economy is actually good for us. Not convinced. Certainly not good for social, for being fit, for socializing in the real world. Can’t wait to get out in the real world again.

Here’s an idea I had to stop rising sea level. This plan assumes that we will fail at stopping emissions and that rising sea level will be a reality. It is estimated that sea level has already risen 15cm from 100 years ago and that currently sea level is rising around 1cm every 4 years. So the question here is what could make sea level fall 1cm every 4 years and my idea is to use nuclear power to pump water on to the Antartic continent and accumulate it there to compensate for the 25mm or so that sea level is rising every year. Now in order to calculate if this is feasible first we need to know what is the sea level surface around the world and that is 510 million km2. Then we need to calculate the area of Antartica that is above 500m, as you know for every 500m you go up temperature drops 3C and so far global warming has been .85C in the last 100 years. The area of Antartica is around 14 million Km2. This means that the ratio of oceans to Antartica is around 30 to 1. That means that for every cm we take out of the ocean we need to accumulate 30cm in Antartica. Sounds doable. So if we pumped water above 500m that is the same of 500 years of global warming at current rates and it is safe to say that way before then will have stopped burning fossil fuels so it is very unlikely that the earth will warm more than 3C. So any ice that is now ice at whatever altitude it is it will be ice at 500m higher. But it turns out that Antartica is surprisingly a very high continent. The average height of Antartica is 2500m which means that the average Antartic temperature is 9C lower than at sea level so it is extremely likely that any water pumped over Antartica will freeze there for millions of years.

So now that we know all these the next thing we have to calculate is how much water is there in 25 mm multiplied by 510 million km2 because that is the amount of water than the ice melting is currently pouring in the oceans. And the plan here is that whatever water we are losing at sea level we pump to an altitude where it will stay frozen forever somewhere in Antartica. After that we need to calculate the energy we need to pump that water 500m up. And then we need to build a number of power stations which in my view should be molten salt nuclear reactors because they are much cheaper to build and also use very commonly available fuel. This video shows what China is doing with them and explains there advantages.

So using Wolfram Alpha I came up that there is around 1250km3 of water melting from the ice cap per year in the world. This doesn’t seem to be an impossible volume of water to pump up in Antartica to a level where it will stay frozen forever. If you´d like to please help me complete this calculation, I need to find out the energy that is needed to pump this amount of water up 500m over one year.

The war on terror has been brutal, inhumane, extremely costly and ineffective. But as opposed to what many argue, it is not Western brutality that gave rise to ISIS. European democracies are the kindest social systems around the world. With free health care and education for all, EU nations are more caring than US. And in terms of military interventions in the Middle East US has led in presence and arguably in inhumanity. Yet an estimated 4000 ISIS terrorists were raised in this kind Europe and went to the Middle East to behead Christians, Gays, to enslave women, to destroy history, to kill Shias, to send thousands of families to their death and millions into exile. Some of these terrorists are going back to Europe to bring their terror. We saw that twice in the horrible attacks in Paris, in Brussels, Copenhagen, Toulouse. Am I in favor of Western responses like Guantanamo or drone attacks? No. But not because closing Guantanamo or stopping drone attacks would end terrorism, but because becoming terrorists ourselves is not who we are nor what we stand for. But the brand of terrorism we are experiencing now is growing, not because of what we do, but because of its appeal to many. Jihadism has an evil logic of its own that is unrelated to our actions. Because of our colonial past we tend to believe that everything that happens around the world is because of our policies. But those days are over. ISIS is a movement similar to Nazism, an incredibly powerful ideology that draws people to it for its simple logic, clear explanations, black and white world, quick answers for everything. I would also love to think that if we were only nicer so would be ISIS. But I don’t think we have evidence that that is the case. ISIS hates us not for what we do, but for who we are. Because in Western democracies we promote the very uncertainties that they think they have eliminated. They don’t hate our actions, they hate our presence. Germany has been the kindest country in the world to Muslim refugees. I think we can all agree that there is no guarantee ISIS won’t attack there. No, we did not create ISIS.

Here is a list that explains how technology is disrupting my life.

-newspapers: Twitter,Facebook,newspaper online apps, news apps.
-magazines:Medium, Tumblr, magazine apps.
-my car: Uber, Lyft
-my desk: iPad lying in the couch.
-cable TV: fiber optic internet.
-linear TV: Netflix, Amazon Video, Hulu.
-fix line telephones: smartphones.
-cooking: Seamless
-libraries: Kindle
-CD holders: Spotify
-desktops: tablets
-laptops: smartphones.
-hotels: AirBnB
-movie theaters: large TV displays with video on demand.
-cameras: smartphones
-hard drives: cloud
-paper agendas and calendars: apps
-intercoms: whatsapp from downstairs.
-shopping malls: Amazon
-credit cards: Apple pay, CC inside smartphone
-dictionaries: Google
-printed photography: looking at photographs on iPad
-travel guides: Yelp, Google, Tripadvisor.
-pens, pencils, markers, handwriting: glass keyboards.
-printers: iPad, QR codes.
-alarm clocks: clock app.
-dumb watches: smart watches
-maps and asking for directions: google maps.
-phone calls and texting: whatsapp, viber, Messenger.
-GPS devices like Garmin: google maps, sports apps.
-Microsoft Office: Google docs.
-reading on airplanes: WiFi on airplanes.
-travel agents: travel app.
-in person learning: online tutorials, Youtube, Udacity.
-taxis: Uber, Lyft

I am a father to three girls and three boys. But this post is only about the father son relationship. More precisely it is about father son communication, or lack of it. First my experience: as a dad it is easy to speak with boys until they are around 8, then there’s a ten year silence and communications restarts after they are 18. From 8 to 18 it is extremely hard for dads to have normal conversations with their boys, or at least that’s been my experience. With Tom, I am still getting over the car rides we took alone on skiing trips when he was 13, we would say one sentence every 100km. Now I am spending a weekend in Menorca alone with Leo (9) and getting a conversation out of him, getting him out of his books, his games, his movies is like getting a splinter out from his foot. And while I hope it’s not the case, I fear the same will be true of Davidi when he turns 8. Now at 2 he does talk a lot to me, in broken English, German or Spanish but because of what I lived through with the older boys he must think it weird when I hug him with gratitude. He doesn’t know what I know, that this hug is a slow good bye to the time in which I will be unable to get him to look up from his iPad. These days I thank him for whatever broken language I get. Davidi go dad pool? Yes Davidi, go pool!! Let`s go swimming. With Mia (4) instead I don’t worry. I know ours will be an uninterrupted conversation.
Women, and by that I mean sisters and moms, do find ways to talk to boys. Like Nina Varsavsky does get Leo to speak. And she was able to get Tom to speak when he went through his 10 year silence. Women know how to play men along, somehow be interested in their obsession of the week. But dads, we just don’t know what to say to them. Men you know, we are not great conversationistas. And when a game obsessed boy meets a work obsessed dad conversation is not easy. Because as a dad to start a conversation with your 12 year old, either you totally get into whatever weird game he´s into at the moment, or whatever book that has 350 characters in 150 moods each (a book that your dad brain would never be able to keep up with but he knows all possible combinations)….or well, they just won’t talk. As opposed to girls don’t expect them to start a conversation. So you stay quiet and they go back to their book, iPad, or as in the case of Leo, Kindle book in the iPad.
I understand girls who are 14 and fall in love with a 14 year old boy only to cry over the fact that they just won’t talk to them. Hey girls, you are not alone. That boy can’t talk to his own father! But there is hope. Now Tom and I meet and have the most awesome conversations, yes he´s 21 but dads, be patient. The silence cracks, it just takes a decade

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