Just how accurate is Siri, Apple's virtual and voice-activated assistant, anyhow? We suppose you could just ask it. That almost feels like cheating, but it's exactly what Piper Jaffray analyst Gene Munster did in a quasi-scientific survey of just how well Siri performs against a common Google search. The results? Siri replied accurately to Munster's tests anywhere from 62 to 68 per cent of the time, given the conditions in which Munster was asking his questions...