By Kristine Christlieb, Church Militant - Does paying for your groceries using a microchip under your skin send chills down your spine?... Increasingly, society is becoming cashless. Right now, it's normal for many Americans to pay their bills and buy products online... But now, companies are pushing for different kinds of technology to hasten the cashless economy, and subdermal radio frequency identification (or "RFID") chips are getting more attention.