One of the most enduring curiosities on the internet is the question: It is a natural human instinct to want to know who is interested in our lives. This curiosity has given rise to a massive ecosystem of tools, apps, and browser extensions known as "Facebook Profile Picture Viewers."
Here is what actually happens when you click "Run": facebook profile picture viewer
Since you cannot control who views your public avatar, here is how to lock down your photo privacy effectively: One of the most enduring curiosities on the