This excerpt taken from the ATVI 10-K filed Jun 14, 2007.
5.5 Limitations Regarding Content of Licensed Products. No rights are granted under this Agreement with respect to non-game products or products which contain significant elements of, or are a hybrid with, audio or video profile products. No rights are granted under this Agreement with respect to serving or providing in-game dynamic advertisements. Licensed Products may contain in-game static advertisements, subject to the Guidelines.