[kaashif]

Interesting abuse of big O notation there, since O(100M) = O(10) = O(1). Your statements make more sense without the O.

[yccs27]

I've seen the O(n) notation used quite a few times already to mean "order of magnitude of", instead of the usual Landau-big O.

[smcg]

but we have E exponent notation for that.