On Wednesday, Microsoft announced the Proteus Controller, a $299 modular video game controller kit that lets Xbox gamers with disabilities customize their controllers. Created by peripheral company ByoWave as part of the Designed for Xbox program, the wireless controller consists of small cubes with interchangeable faceplates that include controller buttons, a directional pad, and analog sticks. The “snap and play” parts connect together so gamers can build more than 100 configurations and LED l...