In metaphysics there this rather widespread parable made famous by George Berkeley — the possibility of unperceived existence.
The whole idea can be summed up in a popular riddle: “If a tree falls in the forest and there’s no one around to hear it, does it make a sound?” The whole idea is a philosophical thought experiment regarding questions of observation and perception.
What exactly does this deviation, this segway have to do with SEO? Well, just about everything. If something pops up on a website, say a product or a blog post, and one is there to read it… does it make a sound?
Read more on curiousmindmagazine.com