drip campaign
noun[C]
MARKETINGukusa way ofadvertisingaproductorservicein which aseriesoflettersoremailsaresentoutrepeatedlyover aperiodoftime:
Potentialcustomersareplacedon anautomatede-maildripcampaignwhereupdatedhomelistingsaresentto them on aweeklybasis.
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drip advertising
drip marketing
drip method