Event planning requires lots of organization, a good amount of time to get all the details together and a great marketing plan. One of the great things about social media marketing is that most platforms give you real-time, trackable results about how many people your message is reaching. So you can literally see up-to-the-minute how many people have been viewing your Facebook page, tweeting about your event or reading your blog. And the best part about it is most of these valuable tools are free. If you haven't yet gotten on the bandwagon to use social media for your event planning, here are some ways to get started.