Windows Mobile 2003 software for Pocket PC builds on Microsoft's thought leadership for mobile devices, ushering in a new operating systems that improves the wireless experience, enables great messaging and extends the media experience. Windows Mobile 2003 for Pocket PC enhances your ability to communicate and to send, receive and manage data while mobile. With additional security, an improved Pocket Internet Explorer, a new picture-viewing application, a new version of Windows Media Player and enhancements to the core personal information management functionality, this new version of Pocket PC offers a rich and powerful user experience.