If you're going to ask people to watch something, it would be nice of you linked to it. Maybe this is what you wete refering to, but I could only find Bill Gat

If you're going to ask people to watch something, it would be nice of you linked to it. Maybe this is what you wete refering to, but I could only find Bill Gates guessing grocery item prices: https://www.youtube.com/watch?v=ad_higXixRA https://www.youtube.com/watch?v=ad_higXixRA