[dragonwriter]

> right.. when someone eats at a place and gives it a number of stars rating how good it was, it tells you the same about how good it is as instagram marketing.

There are distinct demographic trends in online reviews activity that are broadly similar to those involved in instagramming meals, which makes the biases in using aggregate ratings similar to those in favoring Instagram or marketing targeting the same demographic, yes.

(You can get better information from online reviews, but it takes more than blindly following aggregate ratings.)