Portability is almost essential for most RVers, because it's easy to carry a small notebook computer to a place where there is a phone jack. When selecting a modem, be sure to get the fastest speed offered by most Internet service providers. While some modems tout 56 bps, they should be avoided at the moment until there is an acceptable industry standard. The ideal system for those who are not full timers would be a full size desktop computer at home, plus a notebook computer for travels. While email uses the Internet for sending and receiving messages, these are totally different capabilities.
People access the internet to find information.
Thus it's essentially an information resource. However, most are likely to conclude that they want to have access to the vast information resources of the Internet's World Wide Web. And beyond the Internet based communications and information resources, other types of new online services are available. These typically allow online trading at a discount. Said otherwise, the browser software makes it very easy for you to find what you're looking for.