? You can also give a preview of your webinar on LinkedIn along with a blog around it, instead of directly promoting the webinar. You can also create sponsored updates and standalone ads to advertise on LinkedIn.
You can involve sponsors in your webinars to make money from sponsored ads and announcements which run in between of your webinars. It can be very beneficial when you are attracting larger audiences through your webinars.
? If your business has a group on Facebook, make use of this group to post specifics of the event along with the link to the registration