A Memory Stick is a portable storage device used to save and transfer digital data. Originally developed by Sony, it allows users to store various types of files, including photos, music, and documents. Memory Sticks come in different capacities, making them suitable for various storage needs. These devices connect to computers and other electronics through a USB port or a dedicated slot. They are commonly used in cameras, smartphones, and gaming consoles for easy data transfer. Memory Sticks are known for their compact size and convenience, making them a popular choice for on-the-go storage.