Fully automated plugin, which publishes profile updates in activity stream: "X updated his profile", "Y changed her avatar" etc. Plain and simple. Almost each and every social network has the same functionality.
See the profile page on the frontend of our JomSocial demo to get, how it looks and works. Pay attention to the profile's wall.
To see the backend demo of click the button below and login (username: demo, password: demo).
Frontend DemoBackend Demo