President and chief executive, Darren Huston, said: “The Priceline Group is off to a strong start in 2015 with accelerating growth in room nights and rental car days booked. “Globally, our brands booked over 100 million room nights for the first time during a quarter. “International gross bookings growth accelerated to 29% on a constant currency basis in the first quarter. “ continues to extend its lead as the world’s largest brand for booking accommodations, with over 635,000 hotels and other accommodations on the platform, up 40% over last year. Get the full story at Travolution and Priceline Read also "Priceline preps OpenTable and B2B hotel IT" at Tnooz