Five-star phonies.

• Position: The Web - Brief article

A lot of us rely on reviews on Amazon or Yelp to decide what pizza to try or which video game to play--even if we know that the rave comments might have been penned by friends and family of those businesses. Now, it turns out, some fake-review writers are going pro. "For $51 will submit two great reviews for your business," reads one offer on a help-for-hire site. It's hard to tell made-up reviews from real ones, but help may be on the way. Cornell University researchers recently commissioned and then analyzed 400 fake positive reviews of Chicago hotels alongside seemingly authentic ones, and found some telltale differences: Fakers were short on description...