As media sites discover the benefits of selling the at-work audience to advertisers, the problem of measuring the at-work audience becomes more pressing.

Ratings services depend on the cooperation end-users in measuring their use. But what if the computer and the network it's connected to aren't owned by the user?

As far as I know, it's not possible to get a representative sample of at-work Web users. Posted by bp at February 21, 2003 11:07 AM
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