The Trackball-Based Digital Pen market represents a sophisticated segment of the human-computer interaction (HCI) industry. By integrating mechanical tracking with digital data capture, these devices offer a tactile, high-precision alternative to traditional optical or capacitive styluses. As of 2025, the market has transitioned from a niche technical tool to a mainstream solution for... https://www.databridgemarketresearch.com/reports/global-trackball-based-digital-pen-market