Before Wireless Networking became available there was Corded and Cordless Home phones, then came the invention of the Cell Phone or Mobile Phone. Technology has advanced so much that you can carry a computer in one hand and talk on the other if not both. The Computer shrunk as small as the palm of ones hand but for those who prefer to keep them small but seperate or needs a larger screen there is the invention of the tablet. 

Mobile Phone first generation were only able to make calls, than second generation Mobile phones text, and had cameras to take pictures, and then you were able to send and receive pictures to other people. Now with Third and Fourth Generation Mobile Technology we are able to send and receive emails, and surf the internet nearly as fast as a wired computer.

The Mobile Phone Carriers offering this technology are AT&T, T-Mobile, Verizon and other smaller carriers