Seems that a cosmetic surgery franchise has been successfully sued by the New York State attorney general’s office for posting fake positive customer reviews on social media sites. Oops. They broke the first rule of social media: be authentic.

Last week we told you about a company that forced it’s employees to write glowing reviews of it’s services on independent rating sites. The company was eventually sued, but not before some unsuspecting people got duped.

When you read reviews on rating sites, take each one with a grain of salt. Here are five grains to help you evaluate the independence of a reviewer: