It can help you in situations where the content is behind a pay wall, special authentication, or you just want to show your friends what you're seeing without a screenshot.

If you're logged into some web application and you want to show your friend what the page looks like and let her scroll through as if it was the real thing, this is what you'll get.

In situations where you'd like to take a screenshot of a page and share it with your friend, it can be done with this tool.

It can also be used to share all the items in your Amazon cart.