Post On Fire is yet another Digg-Clone, as Digg-Clones are very popular and easily duplicated these days. With Reddit, Mixx, Propeller, Yahoo! Buzz and more, Digg somewhat still remains strong.
On Post On Fire, you also vote up and down, but the terms use are “Fire It” and “Extinguish” — which are pretty humorous especially when "Fire" usually means a bad thing like dismissal from job.
Check out http://postonfire.com/
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