Keywords are an integral part of any online advertising campaign; however what is sometimes overlooked is the equal importance of negative keywords which are word filters that disqualify ads being triggered by users search query. For instance if “iPhone” is one of your keyword, each time somebody runs a search for that keyword your ad will be displayed. If someone were to run a search for the term “iPhone problems” your ad will also be displayed, since the main keyword “iPhone” is present in the search query. To avoid bloating total impressions, with irrelevant searches it’s important to add “Problem” as your negative keyword, so that “ iPhone Problem” query wont trigger your ad.

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