Coveritlive- an excellent, free tool

I was at the MACUL conference in Grand Rapids last week, and they used a live blogging tool called Coveritlive. It is a free and fairly robust application that allows you to create an event and embed it on your website or blog. Then you direct your participants to the event, and they can contribute comments, attachments, do trivia that you create, and more. Below is a screenshot of what it looked like when I embedded an event on this blog: