By now you’ve probably heard about virtual reality. (Heck, the technology has even found its way into a Hot Pockets commercial!) But while some of the more famous virtual-reality devices include the Oculus Rift ($350 for version two of the development kit) and the Gear VR ($200), you’ll find an intriguing device at the other end of the price spectrum.
Enter Google Cardboard. Originally introduced at the company’s developer-focused I/O conference in 2014, this device is made of (you’ve guessed it) cardboard, and is essentially a mount for a smartphone.