Yelp is Screwing Over Restaurants By Quietly Replacing Their Phone Numbers

The phone numbers add tracking before connecting to a restaurant so that Grubhub can bill for a marketing fee.
Read more: https://www.vice.com/en_us/article/wjwebw/yelp-is-sneakily-replacing-restaurants-phone-numbers-so-grubhub-can-take-a-cut?source=Snapzu