Here is the background on the acquisition.  Pasted from <https://www.foldershare.com/info/company/aboutUs.php?>

Microsoft Acquires FolderShare, a File-Synchronization Technology Provider

Deal aligns with Windows Live goal of connecting customers to the people and information that matter most to them.

REDMOND, Wash. - Nov 3, 2005 - Microsoft Corp. today announced it has acquired FolderShareTM, a leading service in the emerging space of file synchronization and remote access technology that helps customers access information across multiple devices. FolderShare customers will continue to be able to enjoy the service at http://www.foldershare.com. Financial details of the acquisition were not disclosed.

Launched in 2002 and owned and operated by Austin, Texas-based ByteTaxi Inc., the award-winning FolderShare service saves customers the hassle of sending large files via e-mail, burning them to CDs or DVDs and mailing them, or uploading them to a Web site. Instead, it allows customers to sync important information, making it well suited for personal or small-business use. The FolderShare service also enables private, remote access to customers' own files from any Web browser.

"Our mission for Windows LiveTM is to enable customers to easily find the information, pursue the interests and deepen the relationships that enrich their lives," said Blake Irving, corporate vice president of the MSN Communication Services and Member Platform group at Microsoft. "I'm thrilled with the acquisition of FolderShare and the opportunity to offer this technology with Windows Live software and services. FolderShare technology will help customers access their information anytime, anywhere and on multiple devices, unifying their overall experience."

Founded in 1975, Microsoft (Nasdaq "MSFT") is the worldwide leader in software, services and solutions that help people and businesses realize their full potential.