When checking-in to a restaurant, reviewers can now pout after being served a poor pastry or smile after tasting a particularly succulent soup. With over 140 million monthly users, these amateur critics now have a chance to gain some notoriety. It will be interesting to see how influential popular "Yelpers" become.

The idea was originally developed by the company at a hackathon conference and they decided that it was too good an idea to waste. Both Android and iPhone Yelp users can download the update today. With spurned restaurant owners now being able to see who's behind their scathing reviews, be sure to check your Yelfie before you wreck your self(ie).