Earlier this month, Google launched AdSense Experiments, an automated and seamless way to test variations in ads so that you can see what types of ads earn you more money.

I am honestly surprised to see very little feedback from the publisher community on how these are working.

The WebmasterWorld forum thread has some people who have tried it but have not learned much from it. But most have not bothered to even try it.

One said:

Another publisher said:

I found very little discussion in the Google AdSense Help forums except a technical problem setting it up.

Have you tried it?

Forum discussion at WebmasterWorld & Google AdSense Help.