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 PostsFacebook is working on its own cryptocurrencyNASA will send a tiny helicopter to Mars in 20206 meaningful ways you can support all mamas on Mother's DayAwkward photobomb gets MUCH worse when daughter recognizes her dad as a creepy memeJohn Kelly doesn't want unskilled immigrants. He should check his own family tree.'Disobedience' has some of the most realistic lesbian sex scenes, uh, ever