We had something similar in the UK, it led to Amazon being forced to increase the cost of its ebooks. This is what the UK government decided to spend all that extra money on:
http://www.telegraph.co.uk/technolog...-election.html
I doubt any other country's government will be any less corrupt or self-serving. The extra money certainly won't be spent on extra nurses, doctors, keeping people out of poverty, or any of the other things people assume it will be spent on.