They still suggest to add a third unit

the adsense team never haeard of panda

[SEOPTI]

I call this adsense news BS!
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Surgery Squad adds a third ad unit to its pages to boost performance and AdSense earnings by 200%.

Surgery Squad educates patients about what takes place during
surgical procedures through interactive, virtual surgery modules. Creator Eric Bort recently spoke with us to describe how he’s optimized Surgery Squad’s AdSense performance and revenue by simply adding a third ad unit to his pages.
--

[incrediBILL]

I'm pretty sure AdSense has nothing to do with Panda.

Add it, prosper.

[martinibuster]

I removed aggressive ad units in one section awhile back and my CTR dropped by 90% and so did earnings. I felt I needed to do this for long term growth and feel I made the right decision. The growth in traffic has made up for the loss in CTR.

I went to the AdSense in your city event and the Googler suggested a color change in the title of the ad unit. I agreed that a contrast would be useful and made the change. So far the earnings have gone up by a significant percentage.

Aggressive is fine for some sites but not for others. Every site is different, eh?