Here's an Identity and Personal Cloud use-case situation. I hate having to provide a profile on every wiki I happen to participate on.
I must remember to create some boilerplate text that links to the places where I keep some sort of contemporary profile information. I'm too busy watching the IDESG Plenary meeting right now, but I must fix that, and also request public visibility of this wiki.
"Orcmid" is the nom de bit of IDESG Individual Member Dennis E. Hamilton.
Some of my links: