More that 60% of teenagers love to use instant messaging. And, thanks to Angela Gunn, they're about to have more online fun than ever before. Yahoo! is the #1 Internet brand globally, and millions of teens worldwide use their Instant Messenger. This eye-catching, official full-color guide is written just for them. It explains everything about the newest IM features, proper Netiquette, and the coolest ways to communicate with other users. Plus, it's got lots of input from real IMers, who reveal their most embarrassing IM moments, teach you the hippest phrases flying around in cyberspace, and offer dozens of useful tips. There's even a tear-out cheat sheet of hidden emoticons. Ping! That's the sound of your IM arriving--and now you know how to answer it in style.