Sam Bengtson, a software engineer, says he uses his chip 10 to 15 times a day. At this point, swiping his hand over an RFID reader plugged into his computer is no different from typing in his password on a keyboard, he says.

Steve Kassekert, vice president of finance, is so used to using his hand to pay for soda at work that he was annoyed when the RFID reader on the vending machine went down a couple of months ago.

“It’s just become such a part of my routine,” he says.

The company is also exploring some ways to use microchips outside the body. McMullan says in August and September it is running tests at two hospitals—one in Fort Wayne, Indiana, and another in Hudson, Wisconsin—that will verify when doctors and nurses wash their hands. (They’ll wear bracelets incorporating a chip that they can scan on an RFID reader to turn on a sink—something that has been tried before.)