>>>Has anyone else noticed that "You're welcome" has been supplanted by "No problem"? You say thank you and they say no problem. When and why did this happen?
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>>When Ahnold said "No problemo" in one of the Terminator movies?????
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>>Language evolves. Consider how English has been de-sexed over the past couple of decades with, for example, nouns ending in "man" be replaced with something gender-neutral or the use of "their" as a singular possessive meaning "his or hers."
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>>I haven't looked for them, but I'm assuming dozens/hundreds/thousands of studies have been made showing how English has changed over the last (pick a number) years.
>
>Wasn't there a humorous quote (often attributed to Winston Churchill) about the Great Britain and United States being two great nations separated by a common language?
>Colloquialisms are apt to change rather quickly.

I thought it was George Bernard Shaw but could be wrong.

Churchill and Shaw had some lively exchanges. One of my favorites was about Shaw giving Churchill two tickets to his newest play.

Shaw: Bring a friend, if you have one.
Churchill: I can't come opening night but will come the second night, if you have one.