Most current mobile phones connect to a cellular network of base stations (cell sites), which is in turn interconnected to the public switched telephone network (PSTN) (the exception is satellite phones).
Advantages:
• you can carry a mobile phone with you so you don't miss important calls
• if you are lost, you can call for directions
• if you are in an accident, you can call the police or ambulance - and if the phone has a camera, you can take pictures of the accident
• you can listen to music, text, play games when you're bored
• most mobile phones have a calculator and a phone book
• you can use a mobile phone to call your customers or boss if you are running late to a meeting
Disadvantages:
• mobile phones can be expensive
• they can damage your ear
• sometimes the reception is poor in some areas, limiting your connectivity (you can't talk underground or on planes)
• people use bluetooth and the camera in bad ways
• people use the phone while they are driving, and this can cause problems displayed 300 characters
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A mobile phone (also known as a wireless phone, cell phone, or cellular telephone[1]) is a short-range, electronic device used for mobile voice or data communication over a network of specialised base stations known as cell sites. In addition to the standard voice function of a mobile phone, telephone, current mobile phones may support many additional services, and accessories, such as SMS for text messaging, email, packet switching for access to the Internet, gaming, Bluetooth, infrared, camera with video recorder and MMS for sending and receiving photos and video... displayed 300 characters
