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Then you repay the amount of money you took off the Government. I don't understand how that's even a question?

There are many thins that could be useful as a way of proving date or making a mark on a public ledger. Shall we list all of them?

You used bitcoin as an example because of your fanboyism. In no way is it obvious to use a currency or it's surrounding infrastructure for this (non intended) purpose.

Not everyone loves or wants any involvement with bitcoin

It's nice to see a company that spent along time building a solid product that has added value to many business around the world.

A nice change from the stories we hear about startups racing to release something of little real value and trying to sell themselves as quickly as possible.