That headline is a good question without a single answer. Bob Russell, using the introduction of UMPCs to the market, asks “What is mobile, anway?” He lays out his personal critieria. I’m sure there will be some agreement with his points, and some that are different. Battery life is high on his list. Is it on yours? How do you define mobile? Leave a comment and let us know.
Hat tip to jkOnTheRun