Palm, Inc. is a smartphone manufacturer headquartered in Sunnyvale, California that is responsible for products such as the Pre and Pixi as well as the Treo and Centro smartphones. Previous product lines include the Palm Pilot, Palm III, Palm V, Palm VII, Zire and Tungsten. While their older devices run Palm OS Garnet, four editions of the Treo run Windows Mobile. In early 2009 Palm announced a new operating system, webOS, replacing the original Palm OS Garnet in their newest devices. - Source: Wikipedia