Aug. 14, 2011
Like metal type, app icons can be hand-set in interchangeable combinations of letters, allowing even relatively useless apps to serve a role in communication.
Stacks of four-letter words are easiest to read, and while pairs of letters are acceptable within a single icon, choosing an app with more than two letters is considered cheating.
Free apps are available for every letter of the alphabet, including many variations on M, P, S and W, but an elegant L or X might cost you $0.99.
