Facebook Ad Budget Optimization

Facebook has been playing with something that they call campaign budget optimization. The idea is to give facebook and the facebook algarithm more control over how, where and when to spend your money. Sometimes what do as i will actually give more budget spend to facebook than inste gram. If a client has a much bigger audience on facebook, and also, depending on how the ads perform, i wouldn't be able to have that control unless i did drill down further.