As soon as a person register for your webinar, send them a thank you mail and a confirmation mail. Sending this is not only good manners, but will also help get a confirmation from the registrant side.
? Webinar helps generate a massive following for your brand, and Google+ enables you to host on hangout for free.
Things you need to know before hosting a webinar

How to take advantage of remarketing of your webinar
? Run a free promotional webinar:
? Marketing Automation to Reactivate Old Leads:
? Choose a relevant topic: