Watch time and view-through rate are two of the most important metrics to measure engagement. These are the most absolute numbers that’ll give you an idea of how engaging your content is. Less absolute numbers include lifts in favorability and brand interest. You can also use things like comments and shares to measure engagement when you post your video on social media.

Another ethical controversy associated with search marketing has been the issue of trademark infringement. The debate as to whether third parties should have the right to bid on their competitors' brand names has been underway for years. In 2009 Google changed their policy, which formerly prohibited these tactics, allowing 3rd parties to bid on branded terms as long as their landing page in fact provides information on the trademarked term.[27] Though the policy has been changed this continues to be a source of heated debate.[28] Click Here for SEO Internet Marketing
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