On: Mark Zuckerberg sells 30.2 million shares of $FB c...

[Drbble]

It's standard English.

[EwanToo → Drbble]

I'm not sure it is.

MM is semi-standard English, at least in the US, because M can be confused with the M used for one thousand.

But B doesn't get confused with anything, and I've never seen BB written anywhere before this..

[stephengillie → EwanToo]

https://secure.wikimedia.org/wikipedia/en/wiki/Long_and_shor...

[scopendo → Drbble]

Not in England. At least it's new to me.