I've recently started using adCenter and I've seen good results with regards to impressions and clicks. Up until now I was regularly receiving a constant flow of traffic. But from a couple of days the impressions suddenly stopped and so did clicks.
I though it was some sort of a reporting glitch and it'd sort itself out. But I became increasingly worried when I saw that even after increasing my bid by more than 3 times I didn't see any increase in impressions.
Can anyone brief me as to why this is happening and what should I do?
Thanks
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