Microchips get under the skin of technophile Swedes

A man implants a chip with a help of a syringe during a chip implant event in Epicenter, a technological hub in Stockholm on January 18, 2018. An electronic implant inserted under the skin to replace keys, business cards and train tickets: in Sweden, it is a reality for some thousands of reckless, eager for novelties and indifferent to the potential dangers of the intrusion of technology. / AFP PHOTO / Jonathan NACKSTRAND

It's the size of a grain of rice but could hold the key to many aspects of your life. 

A tiny microchip inserted under the skin can replace the need to carry keys, credit cards and train tickets.