What does Lorenzo Iorio's report on the Moon mean in layman's terms?

People are asking "What's wrong with the Moon" and getting answers like "There is nothing wrong." I can clearly see the moon is not the same as it was. Either Earth or the Moon has changed in some way. This was the only report by a reputable source I could find...however I do not understand... show more People are asking "What's wrong with the Moon" and getting answers like "There is nothing wrong." I can clearly see the moon is not the same as it was. Either Earth or the Moon has changed in some way. This was the only report by a reputable source I could find...however I do not understand it. So I will ask the right question..What does this report mean?!? Here is the link to the report http://arxiv.org/abs/1102.0212
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