A straightforward YouTube video called "Fireplace 10 hours full HD" shows how basic, relaxing content can bring huge success. Uploaded in 2016, this 10-hour loop of a crackling fire has now surpassed 156 million views and is estimated to have earned over $1.2 million in ad revenue. It's the channel's only upload ever, yet the account has grown to more than 111,000 subscribers—enough to qualify for YouTube's Silver Creator Award. Though some wonder if the creator gets all the earnings (or if YouT