Yes, one aspect I always liked about MathOverflow was it gave some of the experts in the field a low friction way of sharing their knowledge when compared with

Yes, one aspect I always liked about MathOverflow was it gave some of the experts in the field a low friction way of sharing their knowledge when compared with conventional publishing or even pre-prints. They have far more ideas and knowledge than time or inclination to write them all down. Of course, now that I work in tech, I’m thinking it’s not unlike how Snapchat and TikTok have led to far more “content creation”.