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CNET GLOSSARY: Terms for the techie
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Janus 
Also known as Windows Media DRM 10.0, the Microsoft technology that allows an expiration date to be attached to the licenses for Windows media (WMA and WMV) files. Janus-enabled services can effectively rent out content to compatible portable devices such as MP3 players and PVPs since the files will time out after a set period.


   
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