I notice a message after logging in to adsense account. Not a "tip" how to optimize the ads but actual message. Did anybody else notice this before? Anyway, message states I should do 2 ads per page instead of one (all our pages have 1 ad). Should I try what adsense is saying or ignore? We've had 2 ads on our pages before and I understand that the number of ad displays will doulbe but the CPM will also be cut in a half, am I right?