Facebook can be addictive. If you’re away from a computer and feel the need to check in on your Facebook friends or update your status, you can use Facebook Mobile on your cellphone to stay in the loop. Whether you travel a lot or just like to stay connected when you’re between work and home, Facebook Mobile is a handy way to access Facebook without a computer.
Facebook Mobile is an application (Facebook Applications: An Overview) that lets you use your Internet-ready cellphone to:
Interact with Facebook on your phone’s teensy-tiny screen. Facebook’s Mobile Web feature (Using Facebook Mobile) lets you use the browser on your cellphone to see a scaled-down version of the Facebook website. Using your phone’s keypad, you can do things like update your status, find out what your friends are doing, look up people’s phone numbers, and keep tabs on the Groups and events you’ve signed up for.
If you own a BlackBerry, an iPhone, or another popular "smartphone,” there’s likely a specially designed Facebook application you can use to access Facebook directly from your phone (rather than a scaled-down version of the site). To see if there’s a special application for your phone, point your web browser to www.facebook.com/mobile and scroll down to the “Facebook for your phone” section.
Interact with Facebook via text messages. The Mobile Texts feature (Interacting with Facebook via Text Message) lets you do things on Facebook from your phone ...