For mobile users, the redesigned Windows Phone Marketplace, accessed via its own "hub" on the device, will be the sole location for finding and downloading phone applications.

But, in one of the few enterprise-specific acknowledgements at MIX10, Microsoft executives promised that software distribution "alternatives" will be unveiled later this spring. These could include secure private areas on the Marketplace site, where employees could browse and download company-specific software or a server implementation of a private Marketplace behind the corporate firewall.

That will give IT more control and security over corporate applications directly access enterprise applications, data and services.

5. Security and management infrastructure

Historically, Windows Mobile (and Research in Motion's BlackBerry) has co-existed with Microsoft's server infrastructure for mobile security and management. The key addition to the Windows Mobile 6.1 release in April 2008 was the addition of hooks into a then-new server product: .