Tweet Using Siri On The iPhone 4S
iOS 5 added Twitter integration across various apps. But surprisingly you can't sent a tweet using Siri. Maybe a future update will cure that, but for now there's a workaround. Here's a step by step guide on how you can tweet using Siri on the iPhone 4S. 1. Log in to Twitter. Go to Settings, then select the Mobile tab. Add and then confirm your phone number to your Twitter account.