Today Adam Yauch of the Bestie Boys tragically passed away at age 47, after a long struggle with cancer. We live in a time where the passing of a legend is met with outpourings via Twitter and other social networking channels, but rarely do we see such personal and sincere greif in our online community. As other iconic personalities give their condolences and share their memories online, we’ve rounded up some of the most touching celebrity/industry Twitter obituaries to commemorate the great Yauch. May he rest in peace.