? At the signup or registration process, ask registrants to give their twitter handle and other contact information, so you can monitor what they are saying about your firm.
? Conduct polls to gain instant reviews:
? Webinar helps generate a massive following for your brand, and Google+ enables you to host on hangout for free.
? Show a short video:
Things you need to know before hosting a webinar

Highlight the topics that will be covered and let participants know when youíll be holding the Q&A portion of the webinar. Follow the agenda closely and stay on track. If you have more than one speaker, make sure they know when their turn is. Let the participants know who the moderator is. It is the moderatorís job to keep everyone on track, so make sure you choose the right person for the job.
Your audience's time is valuable, so be sensitive to it and honor the time constraints that youíve advertised for your webinar. While itís not uncommon for many webinar attendees to arrive late, itís still best to
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