Power of Touch

Let’s look at some interesting and popular devices which have touchscreens

The iPhone is a line of Internet and multimedia enabled smartphones designed and marketed by Apple Inc. The iPhone functions as a camera phone (also including text messaging and visual voicemail), a portable media player (equivalent to a video iPod), and an Internet client (with e-mail, web browsing, and Wi-Fi connectivity) — using the phone's multi-touch screen to provide a virtual keyboard in lieu of a physical keyboard.

I think it’s the most popular mobile phone in the world! Most people like iPhone for its comfortable control with a big touchsreen.

Microsoft Surface
Microsoft Surface is a desk with a very big touchscreen. We can find this desk is a truly revolutionary invention.

Main interface components: Direct interaction, multi-touch contact, a multi-user experience, and object recognition.
Direct interaction: Facility to manage digital information with hand gestures and touch instead on mouse and keyboard.
Multi-touch contact: User need not use only one finger to manage digital data. If user dips five fingers in five different colors in the on screen paint palette and draws five lines with five fingers, you get five lines with five colors.
Multi-user experience: Typical computers accept only one keyboard and a mouse. Microsoft Surface accepts multiple inputs from multiple users. More than one person sitting across the Surface, can do independent work on the same Surface.
Object recognition: The system can identify physical objects placed on the Surface. It can relate the appropriate software for the appropriate item placed on surface. Objects may be recognized based on their shape or on special codes ( like barcodes) affixed to them.

From an elegant design and advanced features to a suite of built-for-touch applications, the HP TouchSmart 600 redefines what touch can do for you. This powerful, compact, wireless2 all-in-one PC with 23" (diagonal) high-definition4widescreen is ready for your kitchen or family room.
Experience your music, photos and video in a whole new way with our built-in TouchSmart apps. Use multi-touch gestures such as pinch, rotate, arc, flick, or press & drag to access information, entertainment and social networks in a natural and intuitive way.

This computer is very useful in sorting, playing, and using of multimedia files.