Thing 11: social media...again?

Umm, is it me or is this stuff getting kind of repetitive?
Honestly I don't use any of the sites listed, I'm a slave to stumbleupon and for years I've been using the "most popular news" feature on yahoo.
As with delicious, I can see where this could be useful on updating folks with library news but I really think it needs to be all narrowed down to one site or else it's just going to be one jumbled confusing mess. Much like that run-on sentence I just wrote.