Siri Co-founder Dag Kittlaus Quits Apple

Just days after the launch of Apple's newest iPhone 4S, the co-founder of Siri, the voice activated virtual assistant that features in the iPhone 4S, has left the company.

According to All Things Digital, Siri co-founder and CEO Dag Kittlaus has left the company shortly after the launch of Siri in the iPhone 4S. The reasons behind his departure from Apple, where he helped integrate Siri into iOS 5 and iPhone 4S were cited as a need to be closer to his family, a desire to take some time off and work on new projects.

The executive was working on integrating Siri with iPhone 4S ever since the company was acquired by Apple back in April 2010. Kittlaus left the company just after the launch of the device, which is touting Siri as its main USP.

Siri on the iPhone 4S can be used for locating services nearby, getting weather information, travel direction, reading and replying to email and text messages without lifting a single finger. Apple has said that the service was currently in its beta version and the company plans to bring in more features and support for languages apart from English, French and German next year.