The big feature in Confluence 2.2 was “Personal Spaces”, the ability for each Confluence user to have their own wiki and blog. What was missing, though, was a convenient way to navigate, discover, and ‘favourite’ personal spaces. So we’ll fixing this oversight for 2.3:

(The tabs above the search area are a temporary UI, and will be replaced with something more sensible before we release.)

Sneak Confluence 2.3 Preview – People Directory