India, Oct. 16 -- It is simply a matter of when, not if. A distinct, fleeting moment of terror when a foldable phone slips from your grip. As it hurtles towards a marble floor, a concrete sidewalk or a wooden platform, two thoughts rapidly come to the forefront. First, the law of averages somehow seems to ensure it's always a firm surface and never really a cushion or a carpet. And secondly, the physics of a complex hinge and flexible glass potentially leading to an expensive repair bill. The risk isn't limited to falls. Accidentally exerted pressure or fine (and unavoidable) dust particles also pose threats. The reality is that cutting-edge tech comes with bleeding-edge repair bills, especially if you are unlucky or simply inattentive. ...