Mobiles curse or blessing?

Mobile phone has been the most important invention recent years. It changed our lives tremendously. Modern mobile phones can be very small and different shapes. At the beginning they were as big as brick and they weighed over 1kg.
Thanks to them we can communicate with people from all over the world. Additionally , due to GPS system able to check our position on the globe with a great accuracy. And on top of that new models can send audio and video files and have fast internet connection so we can easily check all the information needed.
On the other hand mobile phones have many disadvantages. They produce magnetic waves which can be the cause of many illnesses. However the most important threat is possibility of addiction. Some teenagers simply can’t stop sending short messages called sms. It may lead to mental dysfunction or hand injuries. Many people just can’t imagine their life without these devices and the true is that the communication is much easier nowadays. They have also affected business sector. Owing to them we are no longer forced to wait 2 hours to make a phone call from a telephone box. We can go on holiday and contact our parents whenever we like to assure them that everything is going great.
Apart from being a communication tool, modern mobile phones can be used to take photos record sounds and short videos, listen to music or even watch films. Mobile phones games are another popular kind of amusement nowadays and they are the future of interactive entertainment. So what it comes down to is that despite many disadvantages these devices are the blessing of the present day.