I Got Distracted Watching a Golang Tutorial. So I Built an Project That Won't Let You.

I was watching 45-minute Golang concurrency tutorial. Fifteen minutes in, I noticed a thumbnail in the sidebar "10 Things You're Doing Wrong in OpenClaw." Clicked it. Then a video about OpenClaw controlling Kubernetes networking caught my eye. Twenty minutes later I was watching Youtube Shorts. I never finished the Golang tutorial in that particular time frame, It got carried to next day. YouTube is the world's largest classroom, but it's designed to distract you. Every sidebar thumbnail is a some kind of distraction. Every "recommended" video costs you 15–30 minutes of re-entry just to get back on track. And if English isn't your first language? You're passively reading auto-captions and hoping something sticks. That's when I thought: what if the video quizzed you as you watched? What if it paused at key moments, checked your understanding, and wouldn't let you drift off to memes? I got the inspiration from (Udemy and Coursera) So I built LingoLearn for the Lingo.dev hackathon . And y