Siri, IOS Intelligent Personal Assistant Answers, IPhone 4S

Siri was founded in December 2007 by Dag Kittlaus (CEO), Adam Cheyer (VP Engineering), and Tom Gruber (CTO/VP Design), together with Norman Winarsky from SRI International's venture group. On October 13, 2008, Siri announced it had raised an $8.5 million Series A financing round, led by Menlo Ventures and Morgenthaler Ventures. In November 2009, Siri raised a $15.5 million Series B financing round from the same investors as in their previous round, but led by Hong-Kong billionaire Li Ka-shing.
Re-launch
It was announced on October 4, 2011 that Siri will be included with the iPhone 4S. The new version of Siri is integrated into iOS, and offers conversational interaction with many applications, including reminders, weather, stocks, messaging, email, calendar, contacts, notes, music, clocks, web browser, Wolfram Alpha, and maps. Currently, Siri only supports English (US, UK, and Australia), German and French , and has limited functionality outside of the US .