How far would you go for a free soda? Well, Coca-Cola is hoping that us mere mortals will be happy to hug a robotic vending machine, which will dispense free coke in exchange for a quick embrace. The ...

“Oh you’re about 20 and female. Would you like a trendy drink?” says the vending machine to the young lady. The machine, sitting on a train platform in Tokyo, seems normal enough: You insert coins or ...