I just signed up for Gravatar, chose a username and found that they don't allow people to delete accounts (I know I can hide the account, but that's not enough). While annoyed already, I wanted to submit some feedback to them and they don't have a feedback option either. Why is StackOverflow associated with only a website like Gravatar? Couldn't StackOverflow allow profile images to be accessed from Picassa, imagebucket or some other content server?
Gravatar isn't very user friendly (which is why I still have a generic gravatar). It'd be nice if we had options.
If you have looked in the FAQ (Common Questions in the Help Menu) you would've found the following question:
With the answer:
Lastly, the reason they aren't able to delete an account, is due to they "global auth", using the same credentials for wordpress.com, askimet API keys, and gravatar. (not that different when compared with stackexchange)