The death of social media

Now Goggle + is here and we have twitter, Facebook, Connections. In all this places people post information. The information is not marked in any way so Personal, Hobbies and work stuff is mashed together in a huge mass.

People gets overloaded with information that they don't want/need to know. I belive the information needs to be filtered. Lets say you have 300 friends that posts 3 posts on facebook every week. That's 900 posts a week. thats more than 100 posts per day. If you then also have friends on G+ and twitter that you follow and they might do double posts how much information do you need to read then. And with some people you want to read about work stuff and other you want to read information about their family. If you are following people globally they perhaps are doing posts in several languages and you are interested in the english posts.

I think that people will stop using these things if the information can't filtered.

That is what I think, what do you think?