We just learned about a 108-year-old woman - one of the oldest people still alive - who has a blog.So if you think blogging is only for youngsters, ask Olive Riley. Perhaps she stays young by staying on line.What does she blog about?Well, she's looking for lost relatives.We'll bet she has a lot of them.You go, Olive!Now, what is keeping you from blogging and from subscribing to this blog?