Alan’s Insanity Expressed On New “The Hangover Part III” Tumblr Michael Lee, April 17, 2013April 17, 2013 While there have been some great tumblr sites that were used for some viral marketing campaigns, there are a few that feel like they are last ditch efforts from the digital marketing department. Take for instance the latest tumblr for The Hangover Part III, set up by the WB team….