I created my first Facebook Ad campaign 3 days ago which is made of of several ads targeting audience sizes varying between approx 300,000 and 3,000,000 users in different geographic regions.
Until mid way through yesterday I was receiving a large number of impressions (so far about 700k) and CTR of 0.06 but then it suddenly slowed down and now everything has come to a standstill. No new impressions at all for any of my ads. I increased my bids about 6 hours ago to the point where I am even bidding above the Facebook suggestions but still no luck. I have been using CPC bids but temporarily changed a couple of ads to CPM just to test the waters but that did not yield any change either.
Can anyone help provide some explanation as to what may be going on and what can be done about it ?