Zomato is an online restaurant discovery and food ordering service founded in 2008 by IIT Delhi graduates Deepinder Goyal and Pankaj Chaddah. It operates in over 23 countries providing information on over 42,000 restaurants. Restaurant advertising makes up 72% of Zomato's revenue, while its losses have increased 262% as it invests in online food delivery. Zomato has made several acquisitions to expand its services and acquired companies include Urbanspoon and NexTable.