Every day some 85 million people - most of them kids - show up to play, chat and spend money on Roblox. That’s a massive audience just about any tech or media company would like to have. But David Baszucki wants more: He thinks his platform can eventually command 10% of the worldwide gaming market.

I spent time talking to Baszucki about those ambitions and what has to happen to make it a reality. But I also wanted to spend time getting him to explain what exactly Roblox is, and why its low-fi, user generated games resonate with his audience. It’s an unlikely special sauce that has made the company, which spent years flying under the radar, worth some $40 billion today.

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