Send them invites for your webinars or whitepapers. Send an email regarding it, and wait for their response on it.
Look at the things you should consider before organizing a webinar:
? Allow time for Q&A:
Remarketing is used to recapture old traffic and prospects who have previously visited the website. Often it happens that people come and visit the website, but they leave the page without purchasing and interacting with you. Retargeting gives you the chance to connect with these customers, again by relevant advertisements placed on your social media, blogs and mobile applications.