How to remove your Zimbio account
For some reason, you cannot remove your account automatically.
From their FAQ:
How do I delete my account?
Just drop us an email at firstname.lastname@example.org, and we’ll make it happen. Send the email from the same email account you used to set up your Zimbio account and include your username. This is to verify you’re the correct account holder. Same goes for changing your username. Send us an email.
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Zimbio using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Zimbio. Click here to find out how.