16. The computer system of claim 15 , wherein the method further comprises: after said storing the flag, said computer ascertaining, from the stored flag, the selected language usage pattern preference; after said ascertaining, said computer modifying text content to be presented to the user, said modifying comprising applying grammatical rules to the ascertained language usage pattern preference; and said computer providing the modified text content to the user computer for presentation to the user.
15. The computer system of claim 11 , wherein the computer is located at a web site, wherein the user machine is separated from the web site by a web network, and wherein the method further comprises: said computer detecting an attempt by the user machine to access the web site via the web network, wherein said prompting is in response to said detecting.