Microsoft has just acquired a company that does the same apparently:
Microsoft Reaches for Clouds and Deepens Mobile Possibilities With Planned MobiComp Acquisition
Company's expertise in mobile personal data protection and management to come to Microsoft. REDMOND, Wash. — June 26, 2008 — Microsoft Corp. today announced it intends to acquire MobiComp
, a company that helped pioneer technologies allowing the backup and restoration of mobile data and mobile posting of social content to Web sites such as Facebook. The acquisition would combine MobiComp's expertise building innovative mobile data protection and sharing services with Microsoft's vision to provide compelling experiences that span work and play across mobile phones, the Web and PCs. Terms of the planned acquisition are not being disclosed.
http://www.mobicomp.com/