Google Trends has a newly-added ability to show unique visitor statistics for multiple sites–just type in site URLs separated by commas to get rough traffic estimates based on searches and other data.
Compare Website Stats Using Google Trends
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This is pretty interesting – enter a website or keyword and watch it go. The site or keyword you enter will be turned into a floating favicon, with thousands of other favicons, signifying other websites, floating around, connected to you. I don’t know how overall useful this will really be in a practical sense, but its quite cool nontheless.
