Browser Plugin Maps Your Browser History as a Favicon Tapestry by Andrew Vande Moere.
From the post:
Iconic History [shan-huang.com] by Carnegie Mellon University interaction design student Shan Huang is as simple as it is beautifully revealing.
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See Andrew’s post for more details.
Depending on the websites you visit and their favicons, this may or may not be safe for work.
As a visualization it makes me curious, what if you could track the “focus” of applications in use so a similar display could be generated for the apps you use in a day, a week, etc.?
Would bring new meaning to the question: What have you been working on today? 😉