Trends: Message acronyms
Text messages have a limited lenght and typing on a cell phone keyboard isn't the most confortable way to type. So people have started using acronyms to specify various things, but they can become confusing. In some countries, like Japan, they go even further and have a text messaging system that accepts more than just ASCII characters, but hundreds of little icons like a car, a house, a dog, and so on, so someone could say he was going home with his car to see the dog. Here are a few sites dedicated to text messaging:
Here's a list of acronyms and smiley faces.
Basic information of texting language.
Net lingo with another list of acronyms.
Text message charts.