This document discusses retargeting as a digital marketing technique. Retargeting involves serving ads to users who have previously engaged with a website. It keeps brands top of mind by recapturing users' interest through ads displayed as they browse the internet. Retargeting is effective because it increases brand recognition and traction each time an ad is seen. The document promotes S-WIFI's retargeting solution, which uses location data and other targeting methods to display highly relevant ads with the goals of greater engagement, conversions, and maximum ROI.