Feb 12
16
On December 5, 2011, StumbleUpon launched their biggest redesign ever, which streamlined a huge amount of their code, along with a number of drastic changes that completely changed the way StumbleUpon looks and operates. Although most of the changes on the site where received positively, two changes came under criticism. This included the removal of Follow SEJ on Twitter @sejournal
Go here to see the original:
StumbleUpon Brings Back Source Links and More