I believe there's some sand boxing issues on one hand. But usually the problem is how to make the UI for c-p non clunky and non interfering. Well, that's the sa

I believe there's some sand boxing issues on one hand. But usually the problem is how to make the UI for c-p non clunky and non interfering. Well, that's the same spiel that companies always give us. Anyhow, c-p support is coming with the first OS revision of WP7. As anand stated, it already works on test versions of the revision.