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In some cases, I am seeing more than a week later that the ad has had zero clicks or impressions. (Other ads in the ad group do receive clicks and impressions so this is not a keyword issue)
I have been noticing this occur in more than one of my client's accounts.
Each time I contact Google they do agree that this is unusual and then review the ads, subsequently activating them.
The problem is that this keeps occurring.
Anyone noticing this?
If I had to explain it, based on observation rather than having seen any actual data, I'd be tempted to say this:
Economy sinks --> many new advertisers decide to give AdWords a try - either as business owners looking for more traffic to their own sites, or as affilates hoping to be paid for delivering targeted traffic to sites that are not their own.
My best guess, at any rate. ;)
suggest you provide your manual reviewers with a past approval rating so advertisers that have a very high compliance and appropriate targeting history are somehow streamlined or given provisional pre-approval.
work with mechanicalturk to up your manpower and lower your costs for these reviews. gawd, i hope hyper smart stanford grads aren't reviewing banners - they need to design a system to have it done. and that image recognition company you guys bought a few years back, get that into the mechturk process so it can both learn and speed things.