Google employee Dave Cohen saw Facebook CEO Mark Zuckerberg on an airplane and buzzed about it. (That's Google for "status update.") Then Zuck "got yelled at to turn off his phone," so Dave turned on his phone to buzz that...

Here's Dave Cohen's Buzz thread illustrating how the Googler and Facebooker competed to be the most annoying person on the flight. Click image to enlarge.

That said, I once forgot to turn off my cellphone and in the middle of take-off—midair!—it rang. This unleashed a terrifying flight attendant rage-fest, but you know what? The plane didn't crash. Thus, cellphones should be allowed on all airplanes, categorically, forever and always. Free Mark Zuckerberg! Free Dave Cohen! [Buzz, image of Mark Zuckerberg via Getty]