Welcome 2011!!! & Good bye 2010!! What is the most horrible & happiest event of 2010 occur all over the world ?and in your life?

Is Italki really works?? I want to learn English. but i could not found any body to help me in this regards, At the advice of my friend i join Italki, but for last one week i regularly use italki and i even don't know how to learn language on a social networking site, i don't think so that it really work!!

why English is International language???