With Siri making so much news, people who do not have iPhone 4S wished that Siri feature was available in their phone. Are you fascinated with iPhone 4S because of Siri feature? Have you not been able to buy iPhone 4S?
Cheer up! Running Siri app on iPhone 4 and iPod Touch is not impossible. It may sound strange but a hacker has made it possible. This is likely to give sleepless nights to Apple executives and engineers if Siri does not remain exclusive to iPhone 4S.