? Set registration and attendee goals:
? Webinar helps generate a massive following for your brand, and Google+ enables you to host on hangout for free.
Send them invites for your webinars or whitepapers. Send an email regarding it, and wait for their response on it.
present their products and services to targeted groups, so they can generate interest in their brand and their audience can get some benefits from it.
? Choose a relevant topic: