In this June 24, 2018 photo, Ammal Farahat, who has signed up to be a driver for Careem, a regional ride-hailing service that is a competitor to Uber, opens the Careem app on her mobile phone before she starts driving, in Riyadh, Saudi Arabia. Ride-hailing service Uber announced on Tuesday, March 26, 2019 it has acquired Mideast competitor Careem for $3.1 billion, giving the San Francisco-based firm the commanding edge in a region with a large young, tech-savvy population. (AP Photo/Nariman El-Mofty)