RIVER FALLS, Wis. (AP) — A brief sting is all employees of a Wisconsin technology company said they felt Tuesday when they received a microchip implant in their hand that will allow them to open doors, log onto computers or buy breakroom snacks by simply waving their hand.

Three Square Market, also known as 32M, said 41 of its 85 employees agreed to be voluntarily microchipped during a "chip party" at company headquarters in River Falls.

Melissa Timmins, vice president of sales at 32M, said she was initially apprehensive but decided to give the chip a chance.

"I planned for the worst and it wa...