Grumpy Old Geeks People Tantek Çelik Person Tantek Çelik 2 mentions in 1 episode A Microformats founder whom a host recalls using shoes with retractable skates. Mentions 66: German Potato Salad Jul 11, 2014 1:00:07 one of the founders behind Microformats 1:00:26 he would zip around with those things