Since the launch of Logos Bible Software 4, there have been several updates. These videos were produced to demonstrate the new features in some of the most important updates.
If you watch these videos online, you should click the fullscreen icon to view. The icon looks like four arrows, and it's at the bottom-right of each video. If you download these videos, they play best in Apple's Quicktime. They're top quality, full HD (1280x720) videos.