It's an advanced screen recording tool that captures individual's interaction with the website, including mouse movement and keyboard strokes. Lots of advanced reporting tools that help you dig deep into user behavior. Its form analytics report help you pinpoint the form field that causes most dropouts.
The screen recording in the playback might not be the same as the one that the users were actually seeing. The reason is that Clicktale records mouse position and keyboard strokes in different processes as the page screenshot itself.