Quibi made its content screenshot-proof, but the platform could lose valuable viewers without widely shared memes of its shows

· Quibi, a new mobile-only streaming platform, launched Monday featuring vertical, short-form shows and and movies.
· Users were quick to discover that they're unable to take screenshots of shows they're watching — if you try to, you instead get a photo of a black screen.
· Netflix and Hulu allow users to capture stills...