Scary faces of mobile recognition

This video is demonstrating a concept, but it's easy to see how it might well make it into the mainstream in a few years' time.

In some ways it's easy to be dazzled by the ever-increasing ability of technology to blend the real and the virtual, especially as so much of our lives are fragmented now in a variety of online spaces. However, given the current generation of teens' inability to comprehend the dangers of posting personal details all over the Web, I can't help but feel a little un-nerved by what I'm seeing.

Let me know your thoughts.