[yoshyosh]

this is an interesting concept. Retweet people, who added money to the card, with an advertisement or announcement of their choice. Only issue I see is people loading the card and just spending it on themselves.

Maybe they have to tweet you the advertisement, and then you can retweet, so you get more exposure in their twitter stream as well.

[startupfounder]

Honestly, didn't think about it as "advertising" or getting exposure through tweets. Didn't really think about it at all, just went with my instinct.