N Cook wrote:
UK : USA
billion : million million ( the USA usage has now taken over generally in
the uk of 1 billion = 1000 million)

What? I'm from the USA and I've always thought of a billion as 1000
million. I've only vaguely heard of 1 billion being 1 million million.
I don't know anyone who thinks billion is anything but 1000 million
personally.

--buddy