The Knee Defender: The Most Passive-Aggressive Travel Gadget Ever?

Have you ever heard of the Knee Defender? Chances are, if you’ve been following the news over the last couple of days, you know all about this controversial gadget, but if not, allow me to fill you in. The Knee Defender is a tiny pocket-sized travel device which locks the fold-out tray on the back of airline seats in place, preventing the …