Tumblr Goes Hard Taking a break from reblogging, faving and figuring out when their shares are going to vest, Tumblr employees threw themselves a cute little Halloween party. We spotted them sharing some photos on rival social network Twitter, but it looked like they were having a good time. 3D and Me For Halloween, Makerbot CEO Bre Pettis dressed up as “the Stanford Bunny,” which, according to Wikipedia, is “a computer graphics 3D test model developed by Greg Turk and Marc Levoy in 1994 at Stanford University.” He wore a gigantic rabbit mask on his head and, presumably, scared the dickens out of half the kids in Brooklyn. “Prime minster of Ireland and Elon musk just made their grand entrance in a tesla,” reported Business Insider’s Alyson Shontell via Twitter at one point.