Best site most likely to earn a few btc is : http://freebitco.in/?r=713

the reason i say this is every hour you get up to a whole 1btc and you can play a fun addictive game to earn more!
payout is every monday
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how to play HI-LO
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if you leave the multiplier at 2X then you click hi or lo if you think the random number will be higher or lower then 5000