Palm, Inc., was a smartphone manufacturer headquartered in Sunnyvale, California, that was responsible for products such as the Pre and Pixi as well as the Treo and Centro smartphones. Previous product lines include the PalmPilot, 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.

On April 28, 2010, HP announced that it had agreed to acquire Palm for $1.2 billion. The deal was completed on July 1, 2010. The Palm global business unit was to be responsible for webOS software development and webOS based hardware products, from a robust smartphone roadmap to future slate PCs and netbooks. However, on August 18, 2011, HP announced that it would discontinue production of all webOS devices, including smartphones and tablets.

Palm Computing, Inc., was founded in 1992 by Jeff Hawkins, who sought out the help of Donna Dubinsky and Ed Colligan, all of whom guided Palm to the invention of the Palm Pilot. The company started to create a PDA for consumers, called the Zoomer (1993). The devices were manufactured by Tandy and distributed by Casio, while Palm provided the PIM software. The operating system was provided by Geoworks. The Zoomer failed commercially, but Palm managed to survive through selling synchronization software for HP devices, and the Graffiti handwriting recognition software for the Apple Newton MessagePad.

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Jonathan J. Rubinstein (born October 1956) is an American computer scientist and electrical engineer who played an instrumental role in the development of the iPod, the portable music and video device first sold by Apple Computer Inc. in 2001. He has been elected to serve as a member of the National Academy of Engineering and is a senior member of the Institute of Electrical and Electronics Engineers.

He left his position as senior vice president of Apple's iPod division on April 14, 2006. He became executive chairman of the board at Palm, Inc., after private equity firm Elevation Partners completed a significant investment in the handheld manufacturer in October 2007. He became CEO of Palm in 2009, replacing former CEO Ed Colligan. Following Hewlett-Packard Co.'s purchase of Palm on July 1, 2010, Rubinstein became an executive at HP. On January 27, 2012, Rubinstein announced he had officially left HP.

Rubinstein is married to Karen Richardson, a technology-industry veteran who is currently on the board of directors of BT Group plc.