There had been rumblings that Nokia was going to switch up its naming scheme and ditching the letter prefixes. Today, with the launch of the Nokia 500 (previously known as the Fate) that shift in convention has finally taken effect. The all-number nomenclature is brilliantly simple -- the higher the number, the higher-end the handset, and the higher the price. So, if and when Nokia unveils the 790 (which the Finnish company denies exists with a wink), you'll immediately know
