Pownce是社交网络与微型博客网站，由Kevin Rose、Leah Culver、Daniel Burka与Shawn Allen所创立。Pownce主要为分享消息、文件、事件、链接给已经认证过的朋友。自2007年6月27日启用以来，新会员只能使用朋友透过电子邮件所给予的邀请函来注册。

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.