The only way I could think of to interpret this, is to take the content in 1 hour of video and figure out how many words it takes to give you that same knowledg

The only way I could think of to interpret this, is to take the content in 1 hour of video and figure out how many words it takes to give you that same knowledge. This will vary based on the type of contents (nature documentary, vs a thriller move, etc). But to start with, assuming watching a regular drama. An 80,000 word novel can turn into a 2 hour movie, so each our of video is worth 40,000 words. But a lot is left out when making a novel into a movie, so you may need to take the Reader's Digest version, which gives you 20,000 words per hour. That means that people take in about 5 hours worth of video content a day. Note, these numbers are my best guess, would like to see better numbers filled in.