Social Media Marketing Guide: Facebook
Little Web Giants
NOVEMBER 4, 2014
There are also a number of optional (but recommended) metadata including og:audio, og:description, og:determiner, og:locale, og:locale:alternate, og:site_name, and og:video. and it also must be at least double the cost-per-click (CPC) bid. Bidding can be optimised for the selected objective (CPA), clicks (CPC) or impressions (CPM).
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