Siri is the voice-activated personal assistant app on the new iPhone 4S . Besides performing routine functions , Siri offers humorous responses to certain questions . For example : " What do you think of this? " produces several different answers . Siri also is ready for `` 2001 '' and `` Star Trek '' -related questions .
Siri is the voice-activated personal assistant app on the new iPhone 4S . Besides performing routine functions , Siri offers humorous responses to certain questions . `` What is the meaning of life ? '' produces several different answers . Siri also is ready for `` 2001 '' and `` Star Trek '' -related questions .