11. The computer-implemented method of claim 10 , further comprising: receiving an identification of at least one external reference from at least one user by the at least one computer processor, wherein the replacement set of characters is generated based at least in part on information in the at least one external reference.
12. The computer-implemented method of claim 11 , wherein the at least one external reference is at least one of a calculator, a calendar, a dictionary, an encyclopedia or a thesaurus.