But when Nordstrom posted a sign telling customers it was tracking them, shoppers were unnerved. Like dozens of other brick-and-mortar retailers, Nordstrom wanted to learn more about its cus... Read more
Can be controlled by thought alone Up, down, bank, take a photo! Researchers at Zhejiang University in Hangzhou, China, have developed a quadcopter that can be controlled by thought alone. T... Read more