Twitter today released its list of top treads of 2012. And leading the way on the list is President Obama and popstar Justin Bieber. Obama’s 4 more years tweet received over 810,000 retweets, and Beiber came in second as he mourned the loss of fan Avalanna Routh to brain cancer. Other top trends on Twitters list compiled of Euro 2012, Hurricane Sandy, The MTV Video Music Awards and the death of Whitney Houston.
