Who can see annotations from +1 buttons?
Everybody can see aggregate annotations. Signed-in users also see personalized annotations from:
* People in their Gmail (or Google Talk) chat list.
* People in their My Contacts group in Google Contacts.
* People they're following in Google Reader and Google Buzz.
* People in their Gmail (or Google Talk) chat list.
* People in their My Contacts group in Google Contacts.
* People they're following in Google Reader and Google Buzz.