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I go to the page and where the ad should be is the message.
Timeout - This is only a partial webpageon a white background.
Now of course the pages are normal and complete, and if I click refersh the targetted ad appears. Weird.
But I am sure Google is also aware of this problem.. and looking into it :)
I do not think that is the problem however as we add around 20 - 30 pages per day and check each one uploaded which at first show PSA and then a few minutes later (at the moment) targetted ads.
So I think it is something else, perhaps a glitch on our or G's servers.
It is only a small problem though as I have only seen a few.