You can run ads that specifically target people who have visited your
site in the past—people who have already proven they’re interested in
your offerings, because they’ve visited your site before.
Learn more about retargeting here:
https://www.facebook.com/business/learn/facebook‐ads‐website‐
custom‐audiences
https://support.google.com/adwords/answer/2545661?hl=en
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