This link has been bookmarked by 4 people . It was first bookmarked on 02 May 2008, by - svartling.
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- svartlingStumbleUpon has been around a while, and if you're like 5 million others, you understand what an addictive, stimulus-response type network it really is. But like with other social networks such as Digg, Twitter, or Facebook, many marketers are still at a loss for how to make the most of it.
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