Latest in wearable technology on display at demo day

SAN FRANCISCO -- Eight nervous entrepreneurs are getting ready to go onstage and unveil their products for the first time.

They are part of the graduating class from a startup lab that's all about the Internet of Things.

A variety of wearable gadgets, including a wristband for athletes designed to quicken reflexes and a wearable to help with hearing loss, were unveiled Thursday at Wearable IoT World's Demo Day. This is the fourth class of startups to graduate from a program that's changed a lot since it began.

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