ViewedIt is a free Chrome extension that makes it quick and easy to create and share screencast videos. With the extension installed you can record your entire screen or just one window tab. ViewedIt will let you record yourself with your webcam too. The best part of ViewedIt is that you can track who watches your video. To record on ViewedIt you simply have to click the extension icon then choose what you want to record. When you're done recording your video is automatically stored on ViewedIt. From ViewedIt you can share your video via email and social media. If you choose to share via email, you will be able to track who watched your video. The shortcomings of ViewedIt are that it doesn't let you download your videos and it doesn't let you upload your videos to YouTube.