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Because it’s global, neutral, and transparent, Bitcoin brings the technology of money out from behind closed doors

With apps like Public, your friends and neighbors can share insightful ideas, but you’re part of the same conversation. Your friends can invest and you can happily know. Public is even looking to remove economic barriers to entry, by supporting the popular practice of fractional shares, allowing you to invest in stocks even if you don’t have the fi... See more

Advertising at its core is a market for attention. In any future version of the internet, I’d expect markets for attention to pop up. It’s a natural barter between one party with a surplus of attention and another party with a deficit. It particularly makes sense for direct response advertising. An auction for purchasing intent is a very good way t... See more

Effective altruism in its simplest form is just the “Moneyball of charities”, a reference to a movie where the sport became all about statistics and less about the players.

4. Organize occasional group events. Without becoming a meetup app, the app should push events — concerts, hikes, movie nights — with groups of 6-10 people.

The best networks will play an active role in how users make their next big career move through user conferences, branded Slack channels and curated events.

Many otherwise smart and well-adjusted people have talked themselves into being the Ebenezer Scrooge of optionality, always hoarding the ability to do something later, never actually doing anything when “later” arrives, and giving up a lot in the process.

These may sound like simple questions with simple answers depending on your perspective, but the truth is no one fully knows the answers yet. What if computer games enhance cognitive ability? What if running on a treadmill is safer than going for a run in the city? The answers to these questions are multi-faceted and varied — they’re complex.

Despite the popularity of analogies comparing social networks to casinos, the best metaphor for our current cultural anomie, or at least the part that’s shaped by the internet, may be the shopping mall. A core principle of 20th-century mall design, which has since spread to a much wider variety of spaces, was a type of environmentally-induced diso

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