text: someone -please explain to me what a blog is ? its all i have heard about the last few days is a blog, and i have no idea what it is, and what its used for and stuff. please explain to me in english not computer words.lol  thanks everyone!!! blog is short for "web log" - which is basically a journal or diary that is kept online.  there are lots of different types of blogs: personal, informational, event-driven, humor, satire, etc.  blogs are kept either on individual websites or personal accounts on websites such as livejournal, xanga, myspace, blogger, etc.