Portable Devices

My opinion about portable entertainment devices like DVD , they have many advantages and disadvantages , just like every other device and they are :

Portable entertainment devices, such as: Mp 3 or DVD-players, which allow people to listen to music or watch films, are now commonplace. What do you think are the main advantages and disadvantages of this development?

Advantages: People use these modern techniques everywhere and any time because they are portable, compact and may contain a lot of info compared with diskettes or tape recording

Disadvantages: they cause sometimes incidents and they cause back pain for sitting hours on them , another thing is that they cause poor eye-sight .

To sum up, I agree that today Mp 3 or DVD-players play a great role in human's life. And these easy movable techniques have both advantages and disadvantages. However, I think that there are more merits than demerits.

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