The Phone is the go to device with computers getting smaller and more powerful. Whatever device you chose, all have phone, camera, internet and PC capabilities along with powerful software. With smaller computers that draw less power, most of those devices will run all day on a single charge. Phones have millions of apps to chose from for every imaginable purpose. Today there is a lot of competition in the phone market which stimulates the economy and technological growth. Phones are getting better and cheaper at a rapid pace.
One aspect of cell phone use accepted, ignored or unknown to some is the GPS signaling which can help emergency personnel find you in an emergency. The personal privacy side of that coin is the same data is a record of everywhere you take your phones.
Mobile phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have access to a telephone in the event of an emergency. Some people carry more than one mobile phone for different purposes, such as for business and personal use. Multiple SIM cards may be used to take advantage of the benefits of different calling plans. For example, a particular plan might provide for cheaper local calls, long-distance calls, international calls, or roaming.
Mobile phone use while driving is common but controversial. Being distracted while operating a motor vehicle has been shown to increase the risk of accidents; because of this, many jurisdictions prohibit the use of mobile phones while driving. In Egypt, Israel, Japan, Portugal and Singapore, both handheld and hands-free use of a mobile phones is banned. In other countries including the UK and France and in many U.S. states, only handheld phones use is banned, while hands-free use is permitted.
“In the UK and US, law enforcement and intelligence services use mobiles to perform surveillance. They possess technology to activate the microphones in cell phones remotely in order to listen to conversations that take place near the phone.”- from Wikipedia