USB Business Card

Significant discussion from an earlier submission: http://news.ycombinator.com/item?id=1377651

Then submitted again with no discussion: http://news.ycombinator.com/item?id=1383888

But it is cool.

Brilliant idea and implementation but I have to ask: Why would anyone want to plug someone business card into ones laptop; this look more like a clever way to pass viruses around.