Definitely AdSense is much better than Overture in most aspects.

- Conversion rates of leads coming from Overture are around 3 or 4 %, while conversion rates of customers coming from AdSense are...

Well, at least they recognize their mistake.

But, note that it clearly says "your account". I remark this because fortunately, I didn't get the note, nor did I notice any retroactive increase in...

Whooaaa... me scared...

I haven't checked if my global spending in AdSense for the month retroactively increased as well.

And the issue here would be... of course, if it was increased...

They are big for many people.

And I think this event might also be a big issue, as you might have heard these past days how many people was complaining all around the webmasters forums, about how...