Do you want to edit other people's website? Is that possible? Yup, but only on your screen. All you have to do is visit the site you want to edit and then copy the following code and paste it in the address bar and hit enter.
The page now become editable. You can add, delete and modify any portion of the page just like you are editing a document on your computer. Go to some famous website like New York Times, create your own news and take a screenshot and show to your friends. It's fun.