1. Cell Phone Computing Power

Cell phones have more computing ability than the computers that were used in Apollo 11 mission to the moon. The first cell phone to go on sale in the United States was sold at about 4000 dollars in 1983. The first call made using a cell phone was made by Martin Cooper in 1973. Cooper was a former inventor with Motorola.

2. Cell Phone Popularity

Cell phone popularity has grown over the years. By 2010, there were over 303 million cell phone users in the U.S. This was almost triple the number of subscribers in 2000. Globally, there are about 5 billion cell phone users according to the International Telecommunications Union. In 2012, Apple sold about 340,000 iPhones each day.

3. Functionality

Cell phones, particularly modern brands have the ability to perform more functions than just receiving or sending phone calls. Modern mobile phones enable users to receive and send short messages, emails, video clips and photos. Users can also use them to access play games, internet, use the GPS and listen to music.

4.Evolution of Cell Phones

Cell phones started off being bulky devices but over time, they have become small, sleek, portable devices that fit in pockets comfortably. Their designs are always evolving to accommodate emerging user needs.  Some important evolutions include flip screens, memory card slots, USB ports and touch screens. Their rechargeable batteries have been enhanced to hold power for hours. Cell phones have become important communication gadgets that are used by in all parts of the world.

5. Wireless Capability

Cell phones use wireless technology in the form of Bluetooth, infrared and other protocols. Some leading cell phone manufacturers include Samsung, Nokia, Apple, Sony Ericsson and Motorola.

6.Cell Phone Applications

Numerous cell phone applications have become popular in recent years. For instance, iPhone App Store enables users to download different third party apps. Cell phone users utilize applications such as calendars, web surfing, mobile banking, memos, alarms, games, video streaming, word processing among others.

7. Cell Phone Sales

More than 250 million pieces of the Nokia 1100 cell phone devices were sold. This made the model the bestselling cell phone device in history. iPhone, a cell phone manufactured by Apple has more sales that all the products manufactured by Microsoft. Smartphone technology depends on 250,000 different patents. It is estimated that there are more people with cell phones in the world than those with toilets.

8. Nomophobia

Nomophobia refers to the fear of staying without a cell phone or losing cell phone network. An estimated 47 percent of people in the U.S. who use smartphones admit that they cannot live without their smartphones. An average smartphone user unlocks the device 110 times every day. It is said that cell phones contain up to 18 times more bacteria compared to toilet handles.

9. Internet Usage on Cell phones

More cell phone users in China use the internet on their mobile devices compared to computers than any other part of the world. There are numerous Facebook videos and photos uploaded using cell phones to an extent that it consumes 27 percent of total uploading web traffic. About 65 percent of smartphone owners download no apps each month.

10. Cell Phone Radiation

Cell phones are known to release radiofrequency energy that is absorbed by body tissues that are close to them. The quantity of radiation depends on the distance of the phone antenna from the user, phone towers and phone technology. Cell phone radiation is known to cause headaches, insomnia and confusion. So far, studies have not provided a link between cancers of nerves, brain or neck and head tissues with cell phones.