This is such a genius idea:
FYI: If you need to know how much is on the card at any given time, go to Johnathan's Card's Twitter page (yes, the card has its own Twitter page): http://twitter.com/#!/jonathanscard. It also has a Facebook page, but I do not have Facebook (never have) and do not support Facebook in any way. Thank you.
Let me know if you give it a try!
So I went ahead and created a Twitter List for this, to make it easier:
So I went ahead and created a Twitter List for this, to make it easier:
