President Obama broke all typical political campaigning rules on Wednesday afternoon, when he became the first candidate of either party to do an AMA (“ask me anything”) on Reddit. The appearance was a complete surprise, even for veteran Redditors (who immediately demanded Obama post a picture to prove it was him; he complied). The president also broke news, floating the idea of a constitutional amendment to overturn the Supreme Court’s Citizens United decision (which gave rise to Super PACs) for the first time.

Read more here: http://mashable.com/2012/08/29/obama-reddit-ama-op-ed/