Sometimes, for people like me it's hard to keep track of who's who in tech royalty.<p>Here's a guide of some of their connections. (My first honest reaction: it does seem fairly incestuous. And then I'm not even getting into.. well, let's say more diversity would be a great thing here. All of the people mentioned here belong to one particular subgroup in the US. It just feels odd to me. Diversity hasn't reached these levels yet, I guess.)<p>Anne Wojcicki: CEO of 23andMe. Former part-time partner of Y Combinator, back then along with Ben Silbermann, co-founder and CEO of Pinterest; and Joe Gebbia, co-founder and chief product officer of Airbnb: <a href="https://www.bizjournals.com/sanjose/blog/techflash/2015/09/y-combinator-announces-3-new-part-time-partners.html" rel="nofollow">https://www.bizjournals.com/sanjose/blog/techflash/2015/09/y...</a><p>Sergey Brin: co-founder of Google and formerly married to Anne.<p>Susan Wojcicki: Anne's sister, and CEO of Youtube, owned by Google.<p>Sam Altman: President of Y Combinator