# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2011-10-04 21:29:19 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/121336118154231808) Here's a conspiracy theory for you: Does Siri require the 4S hardware, or did they make it 4S only to give it it's killer feature?