If R2-D2 gave up on rebellion and settled for fetching beers. Jokes aside, so many gadgets and the tech behind them took decades to become genuinely useful. C

If R2-D2 gave up on rebellion and settled for fetching beers. Jokes aside, so many gadgets and the tech behind them took decades to become genuinely useful. Curious: what’s a piece of old tech (hardware or software) that was ahead of its time, and only now are we seeing real progress toward its original vision?