One of the coolest things I get to do these days as part of Tech Field Day is bring friends from all countries to the United States to meet with various companies. But too often, they find themselves isolated and unable to communicate because of our odd mobile phone network. Although prepaid SIM cards are more available these days, I'm having a tough time locating a data SIM … [Read more...] about Is there no such thing as a cheap, prepaid data SIM in the USA?