iPhone’s Siri Sings ‘Stairway to Heaven’ [VIDEO]

The latest iPhone, the 4S, has a lot of cool features but none are getting the attention that Siri is getting.  Siri is described as an intelligent personal assistant that uses a natural language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of web services, and sing Led Zeppelin's 'Stairway to Heaven' apparently.