One video with Stone talking about sleeping on couches barely cracked 1,000 views.This suggests that Stefanovic's name recognition, his existing social media accounts promoting his new YouTube channel, and early mainstream media attention drew people to his new channel, but they weren't actually sticking around to watch videos, nor was he finding YouTube-native subscribers.Success on YouTube wasn't going to be as simple as doing what he'd always done.After the first initial burst of attention and variable results, Stefanovic kept working away.The Karl Stefanovic Show has published an average of more than 20 videos a month since it began.While the output amount was consistent, the type of content began to change With access to a global audience, the hypothetical ceiling for The Karl Stefanovic Show's audience is in the tens, even hundreds of millions.Even with a hot start, Stefanovic's subscriber numbers still pale in comparison to people like Rogan or fellow television star-turned-YouTuber Piers Morgan with millions of subscribers.The fact that Stefanovic spent last week in the UK filming videos suggests he's already eyeing an audience abroad.Comparing online metrics to broadcast television numbers isn't comparing apples to apples; television numbers are the average number of people watching at any one moment, while YouTube views count the number of times people have watched at least 30 seconds of a video.Based on some back-of-the-envelope maths,The Karl Stefanovic Show is still a long way from reaching more people than his old show.Combining his momentum on the platform with the way that Australian viewing habits are shifting, that might soon change.By comparison, Today's own foray into YouTube hasn't had the same success