Hi. I am Bryan Johnson. In 2013 I sold my payments company, Braintree Venmo, to PayPal for $800 million, reaching a goal I set when 21.

This week I heard many people reflecting upon the way the Twitter-verse is mirroring the world’s inequality. The vast majority of power is accruing to a tiny minority of people, some of those people are wielding that power irresponsibly…