Microsoft aims for single-sign on, again

Microsoft is pushing for other developers to use its Windows Live ID system in the hopes of making Live ID a single sign on for multiple Web sites. To that end, it published a software development kit for Windows Live ID. The SDK is available for programming in an assortment of languages, includes sample programs. The resulting code and the SDK runs on Linux, in addition to various flavors of Windows.

[So, Microsoft is giving up on platform lock-in and aiming for SaaS lock-in?—Sander]