Amazon KINDLE DX User Manual page 129

Registration— this is the Amazon account name to which your Kindle is registered.
All Kindle Store and other charges will be applied to the credit card associated with
your 1-Click account.
Popular Highlights— allows you to turn on or off the display of popular passages
highlighted by others in the books you are reading.
Social Networks— allows you to link your Kindle to your social network accounts so
that you can share your notes and highlights with others in your social network.
Annotations Backup— allows you to turn on or off the automatic backup of your
annotations at Amazon.com. Disable this feature if you do not want your annotations
backed up or shared in Popular Highlights.
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KINDLE DX USER'S GUIDE 4 EDITION Chapter 7 129
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