It is amazing how Tom Scott can fit an entire documentary in 4 minutes,(reply>), This video if from a time when youtube videos had to be around 4-8min,(reply>), @Adam Thomas Some bad documentaries would make it 40 minutes plus repeating every clip and every explanation at least 5x.<br>Edit: And wouldn't even show the good bits.,(reply>), I know right, any of these other educational YouTubers will stretch this out for almost 20 minutes