Mobile phones and the internet are very useful.However,it is

Although mobile phones and the internet are high-tech and beyond old people's power to use them ,the old also can keep in touch with family members though these high-tech .New products that are fit for the ability of the old people can make them easier to use mobile phones.And in the internet we also can explore new fields for them to explore their views and make their lives more colourful.and so on