IPod Touch on March 6, 2008, at an Apple Town Hall meeting. The iOS SDK allows making applications for the iPhone and iPod Touch after paying a fee to join the development team. The developer can then set the price for the applications they develop and will receive 70% of money earned. Apple retains 30% of the sale price with no minimum fixed fee. Like all of Apple's iOS devices, the iPod Touch is a tightly controlled or closed platform. Modifying or replacing the operating system voids the device warranty, communication between apps is limited and controlled, and Apple is the only
People Power Company at Bitfone, which was acquired by Hewlett-Packard. People Power was initially envisioned as a greentech company with a focus on energy efficiency. In 2013, the company released its "Presence" app, which is designed to turn older smartphones and tablets into home monitoring devices and sensors using the device's built-in camera. The Presence app also allows users to monitor and control third-party internet-connected appliances and electrical usage in their homes. The app was originally available for iPad, iPhone, and iPod Touch devices. In mid-2013, the company's Chief Scientist, John Teeter, was selected as a Presidential Innovation Fellow and worked at the