Sprint has put up a page full of widgets to support its This is now positioning. It's a fantastically eclectic mix showing everything from from the current world population through to the number of coffee cups being produced. You can even download a pre-determined selection for your own use (shame they didn't let you simply pick from the whole lot).
There are so many marketing opportunities with widgets right now. Beyond simply using them to reflect a positioning, as Sprint has, the opportunity to create stuff that's really useful for customers is just immense.