What will this mean to the Ubuntu Store (and other distros "appstores") since steam is arriving on linux? I know competition (even if it's against a free service) and new things move the world but god damn everything is a mess, everybody wants to sell everything and make their own software haha.

Soon? They already are. That article is from August 8th.

Valve announced this today: http://thenextweb.com/apps/2012/11/30/valves-first-non-game-...

I think the submitter got confused.

Ah, that's more interesting.

I appreciate the correction, thanks guys.