"We are really excited to announce that we have just integrated with Twitter. What that means is that when you make a prediction on Hubdub you can then immediately drop it into your Twitter stream."

Hubdub releases widgets that all other websites to embed their news prediction markets.

"Since the new [challenge a friend] feature was introduced last week [news prediction market site] HubDub’s Nigel Eccles says their sign-up rate has tripled, while registered users are growing at 4% per week."

Nigel Eccles of news prediction market Hubdub.com impressed today at JEECamp.