I'd probably switch to it exclusively too if I could use it to export to Twitter and Facebook.

I don't use it, but for social media you can use IFTTT:

http://ifttt.com/recipes/search?q=google+plus

Linus works at Google?

HN's own style guide has sound advice for how Linus might shorten his posts to under 140 characters.

[1] http://ycombinator.com/newsguidelines.html

1) It gives a lot of pleasure to respond with it to idiotic ideas.

2) It adds emphasis and a sense of proportions to the error, ie. it's not just a simple mistake, it is an idiotic mistake.

3) It (hopefully) shames the perpetrator of the idiotic idea into thinking twice before speaking.

It's not always appropriate, but a lot of times it is just the thing.

If you follow the trending, a hugh number of trends are tech related and specific to Linux like #GIMP, #GDriveforlinux. A large number of G+ users seem to be geeks.