Could you take your phone conversation outside?

According to Gawker.com, a team of researchers at Cornell University have definitely proved that hearing a cell-phone conversation is infinitely more distracting than hearing a regular conversation, because it is a "half-a-logue" which is less predictable, therefore requires more brain power to ignore.

It doesn't help, presumably, when the person in question is practically shouting in a quiet space. I am astonished at the lack of manners when it comes to cell phones. I am regularly with...