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I spend a bunch of money buying electricity to run my electric kettle but that doesn't mean there's a huge market for selling hot water.

• yxhuvud 13y ago
  Except when there are, like in areas that has central heating.
• kordless 13y ago
  You are correct, but your statement doesn't make a valid comparative argument against mine. Read up on the value of proof of work: http://bitcoin.org/bitcoin.pdf http://bitcoin.org/bitcoin.pdf