Blog is short for "web log." Basically, a blog is an online journal. You can write or post about whatever you like: updates of your life, political opinions, a great trip, favorite recipes, what music you're listening to -- anything that strikes your fancy.

Your blog can include words, photos, or both. Yahoo! 360° publishes and saves all your blog entries for easy access as time goes by. You decide how private or public to make your blog by setting your permission preferences.

Blogs are usually composed of one or more blog entries. Each entry can have its own title and always says the date and time you published it. Blogs show the last entry first, and you can scroll down to read earlier entries. So it's like a reverse diary.

You can easily add a photo to your blog entry if you want. You can also make bold text, change colors and backgrounds, format your text, or add emoticons and even web links. If you know HTML, you can make even more changes, if you want. But your blog will look great even if you don't use any of these extras.