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Cell phones are everywhere. They are part of our everyday experience of life. We carry them wherever we go. They are extremely useful in many areas of communication. Their presence has become ubiquitous. Depending on the cell-phone model, we can make and receive telephone calls, store contact information, make task or to-do lists, keep track of appointments and set reminders, use the built-in calculator for simple math, send or receive e-mails, get information (news, entertainment, stock quotes) from the Internet, play simple games, integrate other devices such as PDAs, MP3 players and GPS receivers, send and receive text messages, do internet browsing, play music (MP3), use them as per…
Speaking about how cell phones work, Layton et al (2005) said: "On a "complexity per cubic inch" scale, cell phones are some of the most intricate devices people use on a daily basis. Modern digital cell phones can process millions of calculations per second in order to compress and decompress the voice stream." When dealing with all the features and uses of a cell phone, Layton et al (2005) stated the following: "What is amazing is that all of that functionality -- which only 30 years ago would have filled an entire floor of an office building -- now fits into a package that sits comfortably in the palm of your hand!"
But there are certain inconveniences regarding them. Many places like worship houses or churches, cinemas, theaters, hospitals, and other public places prohibit their use in order to avoid their distracting noises. ...
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