netmeg - 4:14 pm on May 2, 2013 (gmt 0)
So this is why we noticed that not only the revenue but the *clicks* were gone out of our accounts.
As you may know, your earnings at the end of each month currently reflect the amount you've earned less any deductions for invalid activity. This is a step we’ve always taken to ensure advertisers are not charged for such activity. Until now, however, clicks and impressions associated with this activity still appeared in AdSense performance reports. Starting May 1st, we'll remove those associated clicks and impressions to address this discrepancy and provide you with the most accurate reporting.
Full blog post here: