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I got bored last night and built a single page site in the same vein as Is it Christmas? for checking the current bitcoin exchange rate to USD.

Frontend updates every 30 seconds. A background process polls BTC-e and Bitstamp every 10 seconds and averages them to come up with the exchange rate.


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    Cool! I’ve been using preev.com for a while now. Any advantages this has over that?

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      If simplicity is an advantage then it has that. Preev has more features like converting to different currencies and from different BTC amounts.