Right now, folks have to sign over $25, but I hear soon, they won't have to sign if scanning the chip.
Even though I have an iPhone, I use my iPad for taking cards with Square. I have a dedicated hot spot that connects via Blurtooth to my iPad. I prefer the iPad because it had a bigger screen and looks a bit more professional than my little iPhone.
Edward, congratulations on a good show. We all know spring shows don't do to well.