Many Pies

Many Pies

Friday, August 20, 2010

Lazyweb request - help me understand OpenID

I have some questions about OpenID that I plan to find the answers to one day, but maybe someone will heed my lazyweb request and supply them.
Here are the questions:
1. Does it matter which provider you use?
2. What if the provider goes out of business? Are you stuck?
3. If I switch OpenIDs what do the sites I've logged in on the old one need to do to help me switch to the new one?
4. Is that part of the spec or does it depend on what the sites do with my OpenID?
5. When I log in what information is my OpenID provider passing on to them?
6. What implications does it have if I tick the "log me in automatically" option available on myopenid.com?

As well as finding out the answers to those, I may put in something about Microsoft Hailstorm on wikipedia, as it doesn't have its own page.
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