Some 16 characters of XML code allow hackers to see what the wearer sees. Unlike any Android-based tablet or smartphone, there's no security built into Google Glass at present. No lock screen, no voice command code -- nothing, Jay Freeman told FoxNews.com. Through a link in the interview, Freeman tells us how to exploit a bug in Google Glass. Imagine sitting down at a computer wearing glass and the hacker takes a peek at what's on the monitor, watching the sites visited.