Significant shifts toward more automation affected nearly every aspect of the paid search landscape in 2018, and there were other important developments that will have a lasting impact in the new year.
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Original source: http://feeds.searchengineland.com/~r/searchengineland/~3/-vV_VwrP6RE/ppc-2018-the-changes-that-will-have-the-biggest-impact-on-advertisers-in-2019-309724