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One of my favorite concepts is the simple p2p contract. My brother won't buy any so... so my plan is to send him some in a contract, that after gbyte > 1000usd in btc terms I'll get a large portion of it back, just so he can see how powerful and simple it is. If it doesnt go over 1000usd in a year or two (depending on our contract) he'll keep all the byteball

Sounds like a good plan. Keep us posted.