Should Google, Amazon and Facebook fear this woman?

US presidential hopeful Elizabeth Warren says she'd consider dismantling the tech giants should she ever get the top job. But is this really necessary or even possible?

A growing chorus of people think the big beasts of the tech world - Apple, Google, Facebook and Amazon - are getting too big for their boots and should be dismantled.

But as Prof. Harry First, an expert in competition law at New York University, says: "Breaking up is hard to do", recalling the old Neil Sedaka song.

So what should be done?

Please read more here