We recently started running some facebook ads on our 5 pages, initially everything went off like a rocket whether its reach/clicks/likes which was great too see.
What has happend now though is one of the pages reach has just died its gone from 47,000 to 10,000. I have since optimised it for likes to see what that effect has.
I did read an article regarding paid reach and is said; Facebook defines reach as ‘the number of people who have seen your post in the first 28 days after a post’s publication [on both desktop and mobile]‘.
is this correct if so that would make sense, secondly if that is the case does it make sense to create new ads each month?