Steve Collins, an Australian broadcaster who runs the blog Grumpy's Getaway Guide, argues that he shouldn't have to put up with passengers who lean back and invade his personal space.

CNN: Air rage: Is reclining your seat a right?

With long candles, "you tend to lean back and you project your voice more, " he added.

WSJ: Pop-Ups Are Taking Over the Kitchen

Ali would lean back on the ring ropes, cover his face with his forearms and let his opponent wear himself out in a flurry of punches.

CNN: From Charles Bierbauer