Grab is considering on-demand helicopter rides in congested Asian cities Ifeadi C. 04:01 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsThe truth about detoxes and cleansesBus driver gets so into his jam, he gets up and dances while speeding down the roadVR has finally found its place: pornMcDonald's is testing out a McVegan burger in FinlandTwitter users helped identify a mysterious blob on weather radarElon pushes back Tesla Semi unveiling to focus on Model 3 and Puerto Rico