Debunking the 'who signs up for newsletters': - woot.com members (I would HATE to miss a Woot Off) - Groupon.com members - Calacanis' newsletter subscribers

Debunking the 'who signs up for newsletters': - woot.com members (I would HATE to miss a Woot Off) - Groupon.com members - Calacanis' newsletter subscribers - Dan Lewis' "Now I Know" newsletter (best ever) Eh, there are many others, but those were the top 4 in my gmail (minus Woot, which I just thought of first).