
[$13.95, The Spoon Sisters]
Discovering the "Show Desktop" button at the bottom of my computer screen was a revelatory experience for me. It was an incredibly handy tool way back when I still worked in a cubicle, as I had a special fondness for Minesweeper and Spider Solitaire during work hours. Not to mention Google Chat.
But sometimes, super-ninja-fast reflexes are not enough when you're dealing with a sneaky-quiet boss man.
Which is what makes these rear-view computer mirrors so awesome. The mirror is convex for a wide-angle view, and the whole works can be attached to your monitor with velcro.

Well played, young samurai. Well played.