Uber develops, markets, and operates a ridesharing mobile application which allows consumers to submit a trip request that is routed to crowd-sourced partner drivers. Its smartphone application connects drivers with people who need a ride. Its application enables users to arrange and schedule transportation and/or logistics services with third-party providers. They take on big problems to help drivers, riders, delivery partners, and eaters get moving in more than 600 cities around the world. It also provides Windows Phone App, iPhone App, Blackberry App, and Android App. Uber serves customers in North, Central, and South Americas as well as Europe, the Middle East, Africa, and the Asia Pacific. Garrett Camp, Oscar Salazar, and Travis Kalanick founded UberCab in March 2009 that became Uber Technologies in October 2010, with its headquarters in San Francisco in California and an engineering center in Bengaluru in India as well as a regional office in Singapore.