If you think texting while walking is dangerous, just wait until everyone starts wearing Google’s futuristic, Internet-connected glasses. While wearing a pair, you can see directions to your destination appear literally before your eyes. You can talk to friends over video chat, take a photo or even buy a few things online as you walk around.These glasses can do anything you now need a smartphone or tablet computer to do — and then some.Google gave a glimpse of "Project Glass" in a video and blog post this week. Still in an early prototype stage, the glasses open up endless possibilities — as well as challenges to safety, privacy and fashion sensibility.The prototypes Google displayed have a sleek wrap-around look and appear nothing...