On June 29, 2007 Apple introduced the iPhone, an internet-connected multimedia smartphone with a virtual keypad and a virtual keyboard.
Apple began filing patents for the iPhone on October 26, 2006. The final master patent for the iPhone (US 8,570,278 B2) for Portable Multifunction Device, Method, and Graphical User Interface for Adjusting an Insertion Point Marker, was granted on October 29, 2013. The printed patent was 41 pages long with 21 drawings.
The Abtract of the patent read:
"In accordance with some embodiments, a computer-implemented method is performed at a portable electronic device with a touchscreen display. The method includes: displaying graphics and an insertion marker at a first location in the graphics on the touch screen display; detecting a finger con tact with the touch screen display; and in response to the detected finger contact, expanding the insertion marker from a first size to a second size on the touch screen display and expanding a portion of the graphics on the touch screen dis play from an original size to an expanded size. The method further includes detecting movement of the finger contact on the touch screen display and moving the expanded insertion marker in accordance with the detected movement of the finger contact from the first location to a second location in the graphics."
The patent is exceptionally complex citing 100 or more patents as references as well as several hundred printed documents.