World is changing the way it is using the two common technological components of our time the PC and Phone.
Both have evolved in different ways and in different stages of mutation.
Now they are becoming more cohesive, PC having capabilities of all types of communication and Phone having capabilities of all the little things that can be done on a PC and even more.
Products being released every now and then, with all possible combinations like communication capable, GPS, Speech recognition, Image Analysis, Decision making based on events, Touch screen, Games/multi media, file sharing/collaboration, office tools, camera for pictue and video capture, video mixer, music composer....endless list.
The best way of source of input is changing from keyboard/keypad to speech and the best way of response or rather output is changing to display screens.