The most obvious reason cell phones are so popular is in case of an emergency. Hopefully you won't need to use it for this reason, but you should have the number of your doctor or emergency room programmed into your telephone. Most cell phones allow you to use the 911 feature even if you cannot make other outgoing telephone calls. Another number you should have programmed into your cell phone is roadside assistance. Cell phones come in handy in case your vehicle breaks down and you cannot get to a regular telephone.

Convenience is definitely a reason. Having your cell phone with you at all times enables you to make a spur of the moment phone call or receive them no matter where you are.

Cost effectiveness is also high up on the list. many cell phone companies offer relatively low rates and some of them allow free evenings and weekends talk time. Some cell phone companies offer family plans and free or buy one get one free telephones. It is much cheaper to make a long distance telephone call using a cell phone rather than a regular telephone.

They are in excellent and useful gift idea.

Many cell phones can be personalized with ring tones , face plates, frequently called numbers, and many other features. Some even have cameras.

Some cell phone companies allow you to go online with your phone. You can check your e-mail, play games, and download new ring tones.

Most cell phones have a built in answering machine and message base. You can customize your outgoing messages.

They're relatively small, light weight, and can be conveniently tucked into a purse or pocket . If you prefer not to hear your cell phone ring, you can put it on vibrate mode, and no one but you is going to know when it rings.

You can use them for inexpensive text messaging.

They are a popular and reliable way that enables family members and friends to keep in touch.