Since we're all in the spirit of promoting Bitcoin(amazon) I figured we all should suggest weusecoins.com to StumbleUpon. You have to have an account though and I'm not sure how popular it is in here, but we'll see.http://www.stumbleupon.com/submit
ecommerce, economy, bitcoin, digital currency, electronic currency, payments, finance, peer to peer, p2p, educational, technology, internet, tips & tricks, software, open source, explanation, motion graphics, animation short, help, financial, digital, electronic, money, currency, good wife, commodity, cryptography, mining, miner, gold.
"What's this page about?" Is probably hardest to answer in one word, I chose for 'Ecommerce'.