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A comment on Ask HN: HNers who got their “Show HNs” on homepage, how is your site doing now?. Parent comment

Re:Ask HN: HNers who got their “Show HNs” on homepage, how i... by andrewstuart on Tuesday July 25, 2017 @01:59AM (#14845451)
What exactly does 10M users mean?
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Re:Ask HN: HNers who got their “Show HNs” on homepage, how i... by veidr on Tuesday July 25, 2017 @04:55AM (#14846248)
Well, I'm guessing probably doesn't mean "ten million" in this particular case.

"M" is one of those fundamentally ambiguous type of abbreviations that really shouldn't ever be used. (Kind of like nn/nn/nn date formats.)

It is commonly used to mean both "thousand" (M was the Roman numeral for 1000) and "million" (10K, 10M, 10B).

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Re:Ask HN: HNers who got their “Show HNs” on homepage, how i... by andrewstuart on Tuesday July 25, 2017 @09:03AM (#14847369)
>> Well, I'm guessing probably doesn't mean "ten million" in this particular case.

Why not? 10M seems the obvious.

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Re:Ask HN: HNers who got their “Show HNs” on homepage, how i... by kornish on Tuesday July 25, 2017 @12:14PM (#14848928)
10 million seems like the clear interpretation here. What's more, 10,000 is X in Roman numerals.

I think andrewstuart was asking what qualified as a "user": how many were active, how much they engaged, etc.

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Re:Ask HN: HNers who got their “Show HNs” on homepage, how i... by veidr on Tuesday July 25, 2017 @08:15PM (#14852917)
Yeah, I didn't think they were literally using Roman numerals to describe their user base; I thought they were using the "10M == 10,000, 10MM == 10,000,000" notation that is (for some reason) popular with financial-type people[1].

But anyway, I was wrong; I poked around on the site and they indicate they really do have millions of users. So: wow, nice work!

[1]: https://www.accountingcoach.com/blog/what-does-m-and-mm-stan...

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