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Mille, i.e. Latin for a thousand. Thus MM = 1000 x 1000 = 1,000,000.

I rarely see MM used to denote a million outside the financial world. I have never seen a job, for example listing remuneration as "circa 120M" meaning 120,000



It's widely used in advertising/marketing. CPM is Cost Per Thousand.


> I rarely see MM used to denote a million outside the financial world.


Yes, MM is used with some frequency in advertising and marketing to denote million.


Thanks, I've always wondered why people used MM, it made no sense to me.


Wouldn't MM mean 2000 in Roman numerals? Like in MMXII. http://xkcd.com/927/




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