Notebook / Archive
Notes
Stories and notes about technology, product, photography and the things worth remembering.
Archive
22 entries- Why after Pouring Millions into Data, Companies Still Make Zero Data-Driven DecisionsAt the decision making table, the data is just something nice that executives feel they need to have but clearly don't know how to use After nearly 10 years working in data analytics, and after spending many millions building and selling Graphext , I’m…3 min
- How to implement churn predictive models that are actually useful and profitable for Revenue Operations teams.Start with Churn Attribution10 min
- 10x engineers in the AI eraIf there is one thing I have learned in my years as an entrepreneur computer scientist, it is that 10x engineers exist and make a difference. People like Jeff Dean, John Carmack, Andrej Karpathy, George Hotz and many others can create code that goes much further...6 min
- Why data without profound human interpretation, is meaningless, even in the era of AIData , by nature, is always subjective (Many implicit biases about what is measured and how) and meaningless without human interpretation . I believe there are four significant challenges that AI cannot address (at least for now, maybe never?) without a…3 min
- Predicting the future of a country's economy by the complexity of the products & software it can produce.There's a great indicator for predicting how well a country's economy will develop. It is based on the diversity and originality of the products a country knows how to manufacture and export, which @cesifoti and @ricardo hausman refer to as the Economic…3 min
- Manna: AI serving a dystopian capitalism vs an utopian socialismDuring these holidays, I've read "Manna" (short, 70 pages, you can read it in less than 3 hours, and it's free), a science fiction novel by Marshall Brain from 2003. 20 years later, this book is more relevant than ever because it predicts better than any…2 min
- The best argument against remote work I've come across: a company is a machine for creating knowledge.The best argument against remote work I've come across. A company is a machine for creating knowledge. If the knowledge created from the daily experiences of its employees (talking to customers, researching what competitors do, programming an internal…2 min
- Testing the camera of the new iPhone 13 ProI went for a walk in Granada, Spain, with the new iPhone 13 Pro, released last week, and shot all the pictures using the Apple ProRAW format to see how far digital photography is now compared to DSLR cameras. I also…3 min
- How big is the political polarization in the US? How predictable are voters?Red & blue US political maps create increased perceptions of polarization and more political stereotyping, compared to more accurate purple maps. 🔗 Source : Seeing Red (and Blue): Effects of Electoral College Depictions on Political Group Perception Most…5 min
- Why women earn less? Why houses are so expensive now but weren't for our parents? ... and more!🌐 Macrofacts / 💵 Economics / 🚻 Gender Gaps 👨👩👦 Parenting Mothers on avg reduce their earnings by 25% or more after 10 years of having a child, while men’s earnings remains pretty much the same. bookmark This fact seems pretty consistent in 2…5 min
- Analyzing the complex relationship between the most loved, hated and used programming languages15K thousand people participated in a Twitter meme where they were asked to express their relationship with programming languages. We collected and analyzed with Graphext all the answers. Here are the main insights that I found. Each node is a person and…2 min
- Computer Science or Mathematics? Which degree to study if you want to work in the data worldFrom the bias of a computer scientist who works making a product for companies to analyze their data One of the slides I usually use in our Graphext presentation for investors Following a tweet I wrote the other day, Guillermo publishes...7 min
- 4 days undercover on the Camino de SantiagoPlan to spend a few days walking between Santander and Oviedo chasing pilgrims. Leaving from Madrid and spending little. This French man we crossed paths with was a pro pilgrim. Someday I would like to reach Santiago de Compostela with lots...6 min
- III Graphext Bookclub - Deep WorkThis Wednesday in August we had a Book Club again at Graphext, in Campus Madrid. Until now our scientific consigliere, Manuel Cebrián, has been the promoter and master of ceremonies. Thank you Kiko, Nacho, Roberto, Javier and Alejandro for...3 min
- Centralized or Decentralized? Free scale networks!TLDR: I don’t believe blockchain will make markets more significantly decentralized and efficient than they are now It seems to me there is always an ongoing discussion about whether systems should be more or less decentralized. Blockchain is responsible…4 min
- The unpublished golden informationThose who have good information must keep it to themselves and appear biased because they do not want to betray the people who shared it, while those without it are biased by ignorance. The best information is rarely written down or published anywhere.1 min
- 72 hours in RomeOne year after finishing my Erasmus in Rome, I came back to rediscover the city1 min
- Going viral with the PopeI still have Delia's book, Memecracia, about the viral trends that govern us, pending at the top of my reading pile. The day before yesterday, without planning it, we ended up being a small part of one of those news stories that media outlets from...3 min
- Years in PrisonA Coruña, Spain. With prisons and Teixeiro in the news again, I cannot help remembering Pilar Mingote and Paca Pardo and the days I spent photographing the women's wing there.4 min
- Granada and Its MalafolláPeople from Granada are a little like children lucky enough to have a charming, clever, handsome and famous father. Our city inspires praise everywhere, even as we remain known for the rough character called malafollá.3 min
- The Young Photographer at Puerta del SolI was sweating my way across Puerta del Sol with a camera in my hand when I came across an adorable young photographer on her father's shoulders.1 min
- Neighbourhood ShopsAntonio runs a household-fabric shop in the centre of Madrid. Almacenes de Aragón has been in his family and on Corredera Baja de San Pablo since the beginning of the last century.3 min
