If that's the case it seems your profile got blanked when you got shadowbanned. Here's a screenshot I took of it: http://i.imgur.com/KbS3heF.png
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It's just occurred to me that you're probably referring to the email field, not the about field. Anything in the email field isn't public, and I'm under the impression you don't get notified when you're hellbanned, which is pretty much how it gets its name! If, on the other hand you put your email address or other contact details in the about field, and they're no longer there, then that's a different matter. For example, my email address is in the email field of my profile but it's not public. The only public information that's there right now is my Twitter name.
Wow. I'm trying to think of something more to justify this comment, but "wow" is all I can come up with. There's moderating, and there' being kinda inhumane :(
