If you want to know more about widgets read this Advertising Age Column

Tons of great stuff here: Garfield: Why Aren't More Advertisers Using Widgets? - Advertising Age - News. Snippets: 

"At a maximum, the widget is something like the magical connection between marketers and consumers, not only replacing the one-way messaging long dominated by media advertising but vastly outperforming it. Because online the link is literal and direct, and along its path, data of behavior, preference and intention are left at every step. Oh, and your target consumers actually go out searching for your branded gimcrack. Oh, and they display it within easy reach. Oh, and they pass copies along to their friends and associates. Oh, and because they've been turned on by a friend, they are hospitable and receptive recipients. And, oh, in case this didn't quite register the first time I mentioned it, the barriers to entry are preposterously low"

"Audience migration: Oh, and one final thing. If you are a marketer who's spent the past decade investing in a robust website to attract customers and prospects, and you're therefore disinclined to cannibalize your traffic by giving away Website-in-a-Can, don't get too smug. Your audience is making that decision for you. In the past three months, according to Alexa, Apple.com's page views per user are down 9%; Comcast.net is down 1%; Dell.com, down 22%; AT&T.com, down 18%; Xbox.com, down 9% and so on as corporate e-bastions begin to experience the same audience fragmentation that is killing old media. "As popular as your site may be," says Kennedy, the reality is that people are actually visiting Yahoo, MySpace, Google and Facebook thousands of times more than they're visiting you."

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