Summary:
- The article discusses the rediscovery of 3DS tech demos that were showcased at E3 2010, prior to the launch of the Nintendo 3DS handheld console.
- The tech demos highlighted the 3D capabilities of the 3DS, including a demo that showcased a 3D version of the classic game Super Mario Bros.
- The article provides insights into the early development and hype surrounding the 3DS, which was Nintendo's first handheld console to feature stereoscopic 3D display without the need for special glasses.