Multi-touch is a technology that allows a device, like a smartphone or tablet, to recognize and respond to multiple points of contact on its screen simultaneously. This means users can perform gestures, such as pinching to zoom or swiping with multiple fingers, enhancing the way they interact with digital content. The development of multi-touch technology has transformed user interfaces, making them more intuitive and engaging. Devices that utilize this technology often run on operating systems like iOS or Android, which support various multi-touch gestures, allowing for a more dynamic and versatile user experience.