Tags in WordPress work much the same way tags here on *Lockergnome.net* work. They're a way to help "bubble up" content that's related and group it together so it's easier to find, such as via a tag cloud.
That said, I'm pretty bad about tagging my entries on my personal WordPress blog. It's just a nice feature, if you are disciplined about tagging your entries consistently. Think of them as keywords, basically...
answered Jun 18 '10 at 22:07
Tags are a quick way of organizing your posts. If you are not going to use certain keywords often, use tags. Otherwise, go with categories.
answered Jun 18 '10 at 22:15