"Western Digital is disabling sharing of any avi, divx, mp3, mpeg, and many other files on its network connected devices; due to unverifiable media license authentication'," says Boing Boing. This is a My Book World Edition 1 Terabyte network-connected hard drive, and there's an answer to What files cannot be shared by WD Anywhere Access?
The simple solution, according to Wired, is: "Don't install the 'required' client software!" Another alternative is to install Linux.
The limitations do seem to undercut the sales pitch for the drive, which is: "Share and access your data anywhere, anytime, even when your local computer is off."
Do you think Western Digital knows how to spell "commercial suicide"?