Most of us, if not all, have done the mirror shot. Grab your camera, look in the mirror, FACE. Today, it's very different. Because we're not using just cameras anymore.

Australian combat aviator Thomas Baker took the pic on the top left before he was killed in battle in 1918. But what we'll remember, is the style of photography that's still being practiced until today, except with iPads and smartphones these days. [Baker photo from Reddit]