Well I got invited to Twitter HQ back when it was still called that. It was some obscure team offering an app library of some sort, IIRC. It certainly wasn't so

Well I got invited to Twitter HQ back when it was still called that. It was some obscure team offering an app library of some sort, IIRC. It certainly wasn't something close to the main product. I suspect there are a lot of these sorts of investments in the big players, a bunch of teams doing far-from-core things that someone thought was worthwhile.