Promotional webinars, if used efficiently, are the most effective tool for marketing your upcoming product. You can host promotional webinars that incorporate the pitch of your upcoming product or services.
You can also market affiliate products during your webinar and earn money by each sale made during the webinar. During the webinar, a presenter speaks on the decided topic and can give the sales page of the affiliate at the end.
Your audience is becoming mobile and sophisticated. They want new content, as well as new ways through which they can stick to the webinar. For this you need to revise your webinar techniques.
Try to attract customers by offering them something in return for registering and attending your webinar. You can run a contest related to the webinar using social media.