Many people now travel the world on business and they need to be able to use a computer at all times. Firstly,it is important emails when they are away from their offices. secondly,having a laptop means that people don't waste time when they are travelling,as they can work while they are on a plane or train,for example. lastly,alaptop can also help busy businessmen and women to relax.they can listen to music or watch their favourite movie while they are hundreds of kilometres from home!