Actually, the way we wrote the data, you don't need a complex reader system. Illuminating the spot where the data was stored with a laser beam would project a 2

Actually, the way we wrote the data, you don't need a complex reader system. Illuminating the spot where the data was stored with a laser beam would project a 2d image, like a large QR-code, which any camera could pick up. So the reading equipment would rather easy to replicate.