He talks about it in this video (the video this thread is about)

Two mains reasons:

Attracting investors

Attracting talented workers by signaling they are doing technical research

Also, people working in the industry might not even use those products. They want a cool job not a cool product

I talk to people who knows people I know. That way I can get a recommendation for a job offer and know at what job offers I might have chances

What’s wrong with trustcafe?

LinkedIn. Needed to find a job in my domain. Also people often talk about their posts. It makes people really happy when I like a post they talked about to me. When I don’t have a job daily.

Tweeter for some very specific events. Something like two weeks a year

Hacker news when I do not have anything to do at work. I say to myself that it is to stay up to date and sometimes I can find nice blogs. I would say something like once a month.

Breakup Divesting the Android operating system, used on about 2.5 billion devices worldwide, is one of the remedies that’s been most frequently discussed by Justice Department attorneys, according to the people. In his decision, Mehta found that Google requires device makers to sign agreements to gain access to its apps like Gmail and the Google Play Store.

It would be wonderful

I self host a nextcloud service on my old desktop that serves as a server but every now and then the updates crash something. Sharing calendar and notes is too complicated if you don’t have a vps or a domain.

Self hosting is a pain imo. You can pay a small cloud provider with nextcloud. There is a middle ground between big tech and self hosting.