What is the good points and bad points of mobile phone mast?

i've been set course work for science on this question, i don't have a clue what mobile phone mass! i've got to design a poster on it stating the good points and bad points. thanks!What is the good points and bad points of mobile phone mast?Controversial topic - they are a bad thing in conservation areas (sometimes disguised as mutant chimney stacks) and the microwaves they use may be harmful to health. They allow people to talk to each other more - although whether the wittering on the train that I have to put up with is progress is a moot point. They are very useful for locating people to within a few feet (which may be a good thing if you are lost but not if you are someone's enemy).What is the good points and bad points of mobile phone mast?go to google or wiki and type in mobile phone mass wikipedia might give you a more deailed answer