eCPM and CPM?

@Nameless_ (1180)
Australia
April 28, 2012 8:39pm CST
Hi, so I have been experimenting with CPM networks, and I have a question. What is eCPM? I know it's "effective CPM" and have tried reading a couple of explanations but it didnt help. For some reason my eCPM is very high with only a few impressions (
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