Graffiti 2 is a version of the Palm OS handwriting system, Graffiti, that was introduced in 2003. In January of that year PalmSource announced the change, and explained that Graffiti 2 was based on Jot by Communication Intelligence Corporation (CIC), and would replace the original version of Graffiti. Graffiti 2 made its debut in Palm OS 4.1.2 for Motorola DragonBall-based handhelds and Palm OS 5.2 for ARM-based ones.
Read more about Graffiti 2: History