GPS cell phones are becoming increasingly popular. They are handy and convenient because most people have cell phones and always have them where ever they go. Most people love them because instead of having separated electronic devices the cell phone and GPS can at least be together. There are a few systems that offer GPS systems in cell phones and they can work in different ways. GPS cell phones are designed to allow tracking devices and to provide directions to the people who need them.Every cell phone has some kind of GPS tracking on it. This is evident because when a person calls 911, there signal is observed at the police station and followed to a location. This happens when the signal on the phone bounces off the nearest cell phone tower, it then uses the signal to determine how strong and fast the signal is and on what angle it is positioned from. But since only the police can access this special signal, most cell phone users need something that can actually be used on a day to day basis.There are several GPS tracking services available such as TeleNav, ViaMoto, Mapquest Find Me, Smart 2GO, which needs a separate Bluetooth GPS receiver and memory card to work. The last one to mention is called Destinator SP but it is only designed for Smart phone use. These plans offer a service to cell phone companies and charge a separate fee for using it.There are two reasons a person might need a GPS, the most obvious reason is to get directions but some people use it for tracking purposes. Many companies who give out work phones like to know exactly what their employees are doing at all times. If someone calls in sick, they can simply check and see if you`re at home. Or if you travel for a living, you boss can check to see that you are doing work related things when you are supposed to be.It is also excellent for tracking a child, leaving parents with more confidence when sending their kids out. They can track them if their child goes missing, or can track them when they are late coming home. Teenagers will no longer be able to hide from parents unless they turn off their phones. Spouses might also use this device to pin point where there other half is which can be used for good or not so nice reasons.The GPS can also be used for direction purposes. If you`re lost you can simply check your phone for answers. It can give you step by step route instructions to get you to where you want to go. It makes traveling easy, instead of having to pull off to the side of the road and check out a map or stop and ask for directions which can be a pain, especially late at night or in bad weather, you can just look at your phone. The GPS can also be used to get information on business and pin point where you are in case you`re not sure exactly.The GPS cell phone can be used to bring peace of mind to traveling; you might never get lost again which is an amazing concept to consider. More people are getting GPS to their phones making them a growing little piece of technology.