I would have said fools' names, like their faces, are always seen in public places.

“A fool may scrawl on a slate and if no one has the wit to wipe it clean for a thousand years, the scrawl becomes the wisdom of ages.” 
― Mark Lawrence, King of Thorns

This is a reminder that what you say on an open forum, like Goodreads, or Createspace, or Amazon, even Linkedin, can be seen by everyone on a Google search. 

What did Hill Street Blues, Phil say? "Be careful out there folks."