It's not just you, Tumblr went down today

UPDATED 7:10 p.m. ET with information from a group claiming responsibility for the hack.  Tumblr went down for over two hours this afternoon as a result of a large-scale DDoS attack. A group claiming to be behind the attack contacted Mashable with one clear message: This was for the lulz. But what was funny to the hackers was frustrating for Tumblr users, who took to Twitter to complain in droves about the outage.  What happened Online status tools first reported the site was down a li