MEMenger 🎭 on Instagram: "In 1997, laptops began integrating built-in pointing devices, reducing reliance on external mice and enhancing portability. The Apple PowerBook 3400c featured a trackpad, introducing a touch-sensitive surface that detected finger movements.nd IBM's ThinkPad 760 series introduced the TrackPoint, a small red nub located in the center of the keyboard, offering precise cursor control without requiring users to move their hands from the typing position. Some models, such as

Lightweight robotic leg prosthesis replicates the biomechanics of the knee, ankle and toe joint