Twitter is an interesting and practical real-time messaging system for groups and friends. It's just not completely obvious how to get into it. So, here's a quick newbie's guide to this new platform. This guide doesn't cover every feature of Twitter, but it should help to get you started.

If you're not using Twitter yet, you may feel as if you've missed out. Twitter has not only tipped the tuna (begun to peak in popularity), but by some estimations, it has already jumped the shark (devolved into inanity).

Don't let massive overuse by SXSW geeks or the whining of Twitter haters who weren't there and missed the fun put you off.

What is Twitter?
Twitter is an online service that lets you broadcast short messages to your friends or "followers." It also lets you specify which Twitter users you want to follow so you can read their messages in one place.

Twitter is designed to work on a mobile phone as well as a computer. All Twitter messages are limited to 140 characters, so each message can be sent as a single SMS alert. You can't say much in 140 characters. That's part of Twitter's charm.

Twitter is useful for close-knit groups (although there also are some fairly large mobs on Twitter). If you follow your friends, and they follow each other, you can quickly communicate group-related items, such as "I'm going to the pub on Fourth Street, come on along." Twitter is conceptually similar to Dodgeball, but simpler to use.

If you enter items into Twitter, they can be private, so only friends you've authorised can see them, or public, which means anyone who knows your Twitter ID will be able to read and subscribe to them.

Twitter is free.

Continue reading to learn: How to get started; Hooking up your mobile; Sending your first "tweet;" Following friends; Direct Twittering; Advanced features; and Twitterers worth following.

How to get started
Go to Twitter.com and click "Join for free." For best results, use your real name when signing up, otherwise your friends won't be able to find you easily. It's also helpful to upload a picture. If you select the "Protect my updates" box, people won't be able to read your Twitters unless you authorise them. You'll have more fun if you leave this box unchecked. Just be sure not to Twitter, "Leaving house open and unlocked for the weekend: 1520 Main Street."

Now that you have a Twitter account, tell your friends your username or send them the link to your Twitter page. All users have their own page, in the form twitter.com/username. (Example: my Twitter page is twitter.com/rafe.)

Hook up your mobile phone and IM account
The Twitter network works for you even if you're not at your computer or browsing the Web. Once you are registered, you can connect your mobile phone and instant messenger account. Go to SETTINGS > PHONE AND IM. Connecting your phone and IM programs to your Twitter account is straightforward. Note that messages you view on a phone or an IM program also are readable on your personal Twitter Web page.

You can have Twitter send you a message every time a user you are following posts a Twitter message. This can be fun, but it will drive you crazy if you are following a lot of people. If you don't want to be barraged by a stream of random messages but still want friends to be able to reach you, select "Direct Message." Then when other users send a message to you and you alone, you'll get alerted on your phone or IM account. Otherwise, you won't get an alert.

Sending Twitter messages, or "tweets"
You can send a Twitter message, or "tweet," from any of your registered devices.

From the Web page, enter a message in the entry window at the top of the page.

From a mobile phone, send an SMS message to +44 7624 801423. Your phone's caller ID is attached to your Twitter account, so the system will know it's from you.

From IM, message TwitterIM if you're on AOL, or twitter@twitter.com if you're on Jabber/GTalk.

In all these cases, all your "followers" will then see your message on their own Twitter pages and possibly on their mobile devices as well.

Following and joining friends
If you've gotten this far, you're able to send messages into the Twitter system, and your friends can find your account and follow your updates. Here's how you can see their messages.

On the Web: to add a friend, first be sure you are logged into your account. Then go to his or her Twitter page and press the "Add" link in the "Actions" box. To find a user page, use the search box on your own Twitter page.

Once you click "add," if the user's account is set to allow public access, you'll start to see his or her tweets on your page. If he or she is private, the system will send a friend request that must be approved before you start to see updates.

You also can see who your friends are following by hovering your mouse cursor over the pictures in the sidebar on their page. Those are their friends -- the users they are following. If you click on one of those pictures, you'll go to that user's page, where you can add him or her, too.

You can see all the tweets from any person's friends by clicking the "With Friends" tab above his or her message window, or you can turn that off and see only his or her tweets by clicking the obliquely named "Previous" tab.

On the phone or IM: send the command follow username to sign your phone or IM account up to receive public Tweets from a user. You also can invite people based on a phone number: SMS add phonenumber to 40404, and you'll start following the user at that number; if the person at that number isn't a Twitter user, he or she will get an invitation to join.

Managing your friends is much easier on a full Web browser, but you also can do everything on a mobile phone if you wish. See this page of the Twitter Help file for full commands, including details on the all-important Leave (stop following) and Drop (remove from your friend list) commands.

Want to be a Twitter nag? Send nudge username and they'll get a request to send a current tweet.

In case you were wondering what the numbers mean...
On your Twitter page there are a bunch of numbers. The most important figures are these:

  • The number of "followers" you have. These are the people who are paying attention to (following) your Tweets.
  • The number of "friends" you have. This is the number of people you are following.

Public figures and Twitter celebrities will have more followers than friends. People who want to watch more than participate will have more friends than followers. People who just use Twitter to communicate within their own social group will have roughly the same number of friends and followers.

Person-to-person Twittering
You can send a Twitter message directly to another twitter user with the Direct command. Enter d username message, and if they have direct messages enabled on their phone or IM account, he or she will get your ping.

It's also understood that if you enter a Tweet with @username at the beginning of it, your message is intended for that particular person, although others will be able to see it (however, @ tweets won't show up on your home page unless you are the intended recipient). Be sure the person you want to see your message is following you, though, otherwise they won't get it.

Turning off Twitter
Twitter messages may drive you insane. If you want to turn them off, here's how: send the command Off, Sleep, or Stop to Twitter. To turn it back on, send On, Wake, or Start.

If you're sick of Twitter on the PC, just avoid the Web site!

In a Web browser, in your settings page, you also can define a period of time during which Twitter will not bother you by phone or IM. This is useful if you ever want to sleep.

Advanced features
You can apply your own design to your Twitter home page. It's fairly straightforward. Our advice is to avoid using the "tile" option for your background image unless you are aiming for the assaultive MySpace design aesthetic.

Twitter also can be used via third-party programs that run on your desktop or in your widget/gadget engine. See our story, Six ways to improve Twitter.

Twitterers worth following
In addition to your friends, you might want to follow some of these famous (or useful) Twitterers. Note that many people are still experimenting with Twitter, so we can't vouch for the long-term quality or frequency of updates from these users:

  • CNET News: Newsfeed from CNET.com.au sister site, CNET News.com.
  • Robert Scoble: : Popular feed from ubergeek and Twitter fan Robert Scoble.
  • Evan Williams: Founder of the company that built Twitter.
  • Rafe Needleman: I wrote this, I must be interesting.
  • Mashable: A popular blog focused on online social networking.

Happy Twittering! Got tips for other users? Add them in the talkback, below.

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