Wikipedia
Pownce
Pownce was a free social networking and micro-blogging site started by Internet entrepreneurs Kevin Rose, Leah Culver, and Daniel Burka. Pownce was centered on sharing messages, files, events, and links with friends. The site launched on June 27, 2007, and was opened to the public on January 22, 2008. On December 1, 2008, Pownce announced that it had been acquired by blogging company Six Apart, and that the service would soon shut down. It was subsequently shut down on December 15, 2008.