stumbleupon.com is an extension for Firefox. It is extremely popular due to the fact that you can reccomend websites and whenever someone clicks on 'Stumble' they get taken to a random website. Very useful and has brought me loads of traffic.
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designer posted this at 17:23 — 7th August 2006.
He has: 31 posts
Joined: Jul 2006
They write specifically not to spam or promote websites there, in their terms of use. So, it could prove negative too. Be aware.
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