Taking screen shot is a great way to capture information and make it portable. Usual way of saving a webpage by pressing CTRL + S, create a folder and an html file that need to place together in order to work.
Google Factory Reset Protection is a security procedure that hinder anyone form cleaning all data on the Phone. This is viable solution in case of theft or in some cases pranks. But what if someone intentionally sell their cell phone and wants to completely remove its private data.