Siri, the voice-control ‘personal assistant’ Apple has featured in its iPads and iPhones since the iPhone 4s, has come in for more than its fair share of mockery and criticism, including most recently an amusing vignette on the Simpsons. But is it really as rubbish as all that? ?New Siri features in iOS 7? We asked followers of the @MacworldUK Twitter feed if they use Siri, and we were surprised by the a