Youtube or Netflix content that's publicly shared would not have privacy protections aside from encryption in transit. The same goes for Facebook content that's

Youtube or Netflix content that's publicly shared would not have privacy protections aside from encryption in transit. The same goes for Facebook content that's publicly shared. But running a service like Youtube that keeps Google in the dark about what you are watching is not possible. It's not even that content creators would have to upload their content padded and encrypted, and privately share the content with their audiences, but the entire audience would need to privately aquire the content each time. A statistically or computationally secure solution like read-only ORAM is out of question at that scale, well any scale that's larger than a few gigabytes. Anything with a constant overhead would only amount to I downloaded five videos, guess what video did I end up watching? And Google would have a one in five chance to tell, if the requests are random, but over time they could still piece you together since your privacy equals to watching five videos at a time, revisiting videos, visiting popular ones, visiting certain ones at a certain time in a certain order. The client could throw in a few fake requests, but such constant effort would still be defeated.