Granted, the Live Tiles now show notifications for missed calls, messages and so on, but there is no unified central place approach for those apps who don't have a tile out, for instance, so we are pretty curious what Microsoft is cooking, and whether the graphics solution will be more unorthodox.
Thomas Fennel's exact words were: "Because we ran out of time. It’s very very important to me… we get tons of feedback from developers that they want something like that as well. I promise we’re thinking very very hard on that one." Goody.