The iPhone can perform hundreds of tasks through its apps and iTunes software, from shopping to using tools like a spirit level or playing games. iPhones are mainly known for their music player and streaming music online. The instantly recognizable iPhone has a lightweight, pocket-sized design with a full touch screen. The iPhone offers a range of features like accessing and storing music, a built-in camera, internet access, email, and a video player for movies and clips. Music and videos can also be streamed online from services like Last.fm and YouTube.