And when you feel like travelling this weekend, you can just continue your questions after ‘what’s up this weekend?’ by asking: ‘How about San Francisco?’, as if you would speak to a real person. Sire will recognize that you’re still interested in something to do for the weekend as it’s context sensitive. Awesome! Also check out review below the fold showing more examples of how you can use 
Do you ever ask yourself if you are going to need an umbrella today? Or: ‘Where can I get a green tea latte’? Or: ‘What’s up this weekend’? With a new free iPhone 3GS app Siri, you simply ask these questions by talking to your phone. Your question will be interpreted and displayed and suggestions will follow immediately. Very, very cool.
