Data is Beautiful

And it's wrong, though. In Russia, we use space to separate thousands (with the exception of 4 digit numbers) - 1, 10, 100, 1000, 10 000, 100 000, 1 000 000 etc. People who care about formatting use a special thin space instead.

For decimal point, commas are used in bureaucratic environments because of some GOST or something, while normal people use dots, because windows calculator doesn't accept commas, and neither does Excel if I'm not mistaken. So it's kind of both on that front.