[btb]

Yes it is, at least for us. We run a 15 mio pageview/month website, completely reliant on advertising, and we have a google map on probably 4 mio of those pageviews. So our bill is going from free to 16.000$ pr month

$4 cpm is interestingly enough the same as we charge our own advertisers leaving zero profit margin for us. We are now in the process of converting our website to another map provider.