Let's be honest, at least 90% of what you call "useful and educational" is entertainment for you. At best, we can call it "infotainment", information that is being presented in an entertaining manner. There is nothing wrong with that. I love infotainment. However, if you are educating yourself on random topics that have no real practical benefit to you, at least be honest with yourself, you are entertaining yourself.
If you actually want to get something done or get somewhere in life, the only thing that makes sense is to collect information for a specific purpose and then actually USE the information that you have just collected.
overheard on reddit