I’m sure you’ve seen your fair share of social media predictions for 2010 by now. And while my posting is a little late, I hope I’m note treading too fine a line by waiting until 2010 hits before I make my predictions. Before I get into what I think will be worth watching this year, let’s see how well I fared with the results from the predictions I made for 2009 . Those included: Twitter will continue to achieve legitimacy . Check. There’s no question that Twitter became mainstream in 2009. I won’t rehash all of the examples, but suffice it to say that when your local news outlets are suggesting you follow them on Twitter, it’s mainstream. Online video will come into its own . Check. YouTube has started to show some signs of revenue generation, and Hulu was advertised during the Super Bowl. Video became more and more important in 2009. Customers insist on custoMEr service . Check. More interaction on Facebook pages, Twitter, Get Satisfaction and similar sites has customers looking…