Pointing Devices come in several types. They are the mouse, trackball, pointer stick and touch pad. Each is a matter of individual preference and should be tested by the individual user. I have a touch pad and heavy fingers, a combination that does not make for happy computing. Modems are getting faster and faster.
New cellphones come in analog and digital types.
In California, Pacific Bell has announced a new technology which is supposed to be better than either analog or digital. Docking Stations are a must for the portable attorney. A docking station allows you to attach a standard keyboard, large monitor, and other devices to your notebook by means of a single plug. You can include a network card for attachment to the office network and have other devices attached depending on the docking station. As notebooks become, more and more, powerful, they will replace the desktop systems of today.