Mobile phones are ubiquitous. In the last few decades, cell phones have changed human 's daily life in many ways. Mobile phones have made personal and group communications much easier. They have given the users the freedom to move around while staying connected all the time. This unique capability empowered a lot of important applications. Not only cell phones have kept individuals connected to each other, but also they have played a significant role in conducting and managing business and facing emergency situations such as natural disasters.
Since the emergence of the first commercial cell phone in the market in 1983, mobile phone adoption rate has been growing with an increasingly fast pace. According to The International Telecommunication Union (ITU) estimation in February of 2013, there are 6.8 billion mobile subscriptions worldwide. This means the penetration rate in the global population is about 96 percent cite{ITU:2013:Online2}. (Note that, these numbers do not show the count of subscribed users because one person may have multiple subscriptions.) These statistics clearly show the huge adoption rate of mobile phones in public and the significant role they can play in today 's society. …show more content…
While the very first generation of mobile phones were only capable of telephony, newer generations began to support more services such as text messaging, email, Internet access, short range wireless communications (e.g. Infrared, Bluetooth), photography, and gaming. The newest generation of advanced mobile phones which are called smartphones, run on a mobile operating system (e.g. Android or iOS) and have a lot of computing power to support a variety of complicated applications such as voice recognition, image processing, and navigation among
Since the emergence of the first commercial cell phone in the market in 1983, mobile phone adoption rate has been growing with an increasingly fast pace. According to The International Telecommunication Union (ITU) estimation in February of 2013, there are 6.8 billion mobile subscriptions worldwide. This means the penetration rate in the global population is about 96 percent cite{ITU:2013:Online2}. (Note that, these numbers do not show the count of subscribed users because one person may have multiple subscriptions.) These statistics clearly show the huge adoption rate of mobile phones in public and the significant role they can play in today 's society. …show more content…
While the very first generation of mobile phones were only capable of telephony, newer generations began to support more services such as text messaging, email, Internet access, short range wireless communications (e.g. Infrared, Bluetooth), photography, and gaming. The newest generation of advanced mobile phones which are called smartphones, run on a mobile operating system (e.g. Android or iOS) and have a lot of computing power to support a variety of complicated applications such as voice recognition, image processing, and navigation among