UPDATE 1-Women's safety in focus as Uber rivals race across Southeast Asia
December 12, 2014 at 01:31 AM EST
SINGAPORE/HANOI, Dec 12 (Reuters) - A co-founder of GrabTaxi, Uber's biggest competitor in Southeast Asia, remarked earlier this year that safety is so central to the online taxi booking business that some of his drivers feel like they are tracked at every moment - even when they go to the bathroom.