When Will Flying Taxis Get Off the Ground?

There's a lot of buzz about flying taxis, even though none are buzzing overhead. Investors are pouring capital into start-ups racing to develop new electric aircraft that take off and land vertically like a helicopter but fly horizontally like an airplane. Major airlines are investing in some of these start-ups, betting that they will one day zip passengers between airports and city centers much faster than cars or public transit. A look at how innovation and technology are transforming the way we live, work and play. One major issue is they will need enough places for these vehicles to take off and land.