Speaking of the idiom itself, not the content of the article.
What I find interesting, is in my experience, judging musical albums by their covers gives me good results consistently. Some of my greatest finds have simply been the result of being captivated by the artwork. Good albums can have bad covers from time to time, but bad music very rarely has something outstanding for their cover.
Publishers have a bit more control over the covers of the books they print, I expect it to reduce the usability of the heuristic considerably.
What I find interesting, is in my experience, judging musical albums by their covers gives me good results consistently. Some of my greatest finds have simply been the result of being captivated by the artwork. Good albums can have bad covers from time to time, but bad music very rarely has something outstanding for their cover.
Publishers have a bit more control over the covers of the books they print, I expect it to reduce the usability of the heuristic considerably.