If you’ve passed out from a health condition, you’ll be pleased if you’re wearing an NFC ring that can help first responders link to critical medical information—simply by touching it to a smartphone.

Kickstarter, the Web site that pioneered crowd-funding for creative projects, has seen more than 4.5 million people pledge more than $700 million since its launch in 2009. A British firm, McLear Ltd., ...

Near field communication, a.k.a. NFC, is at a turning point. Excitement for wearable technology is at an all-time high with the launch of hotly anticipated products in recent months. Few, however, ...