'font-style:italic;' class='uawbyline'>by Matthew Kerridge
Laptop computers are nothing new, but they have been changing both internally and externally over time. While laptops have trimmed down their physical form factor substantially since their introduction to the computing scene, there are still many who would consider them less than “portable.” Most laptops are still five pounds or more and can have rather obtuse dimensions, especially models with large displays. The only other portable computing option available for a long time has been the PDA, or “personal digital assistant.” While useful, they are a very large step down in size and power.
