Why is everyone covering up their laptop cameras?

Stickers and slides serve to ease concerns that spooks could be watching our every move, as even the FBI director says he puts tape on his camera

For the past half decade, the technology industry has been racing to build better cameras into the hardware we use every day.

Yet the surveillance age has inspired an odd cottage industry battling against this trend: a glut of cheap stickers and branded plastic slides designed to cover up the front-facing cameras on phones, laptops and even televisions.