An informative post from Chad Stoller at ClickZ about getting into the branded widget game. He makes some good points about how to ensure your widget is sticky (sticky widgets?) Namely, make them simple and uber-functional. I haven't seen a lot of articles like this and it's nice to see widgets being taken seriously and not just as toys.
As mentioned previously, I do use a few branded widgets, notably from Acura and Allrecipes.com. Not to mention the Yahoo! branded widgets. With Windows Vista, I think Widgets will explode in the next year. That's, of course, contingent on Microsoft getting people to buy it.
Widgets Deliver New One-to-One Opportunities