Windows Live Barcode

It allowed users to transfer information between various media (PCs, billboards, magazines etc.)

It provided a method for people to exchange information and use various online services on handsets.

[1] Windows Live Barcode aimed to enhance mobile handset utility and provide users with more convenience and flexibility.

Windows Live Barcode was shortly taken offline following its beta launch in October 2006.

Microsoft Tag serves as successor to the concept of Windows Live Barcode.

The Windows Live Barcode logo.
The Windows Live Barcode logo.
Prototype screenshot of Windows Live Barcode on Windows Mobile