Here's something I've been collaborating with David Galbraith on: adding biographical information to RSS and HTML. By biographical information we mean information about a person to help you identify them, like the little summary on the top left of this page. Maybe it'll help you decide whether you want to subscribe to their RSS or not.

There's some cross-over between bio information and genealogy, especially when the bio is of a historical figure, so I've had a go at including a small set of 'life event ' elements such as birth and marriage.