But isn’t this already researched given Facebook, Google, Pinterest, and every other benchmark products use this method already?
Great in-depth article.
Metin Saray
11

This may be so, but I think without these large companies actually releasing their research (which they won’t) we don’t have a sense of how effective these methods are. And I believe it’s always a designer’s job to ask “why” and to be able to stand behind decisions.