For yes, if you online bank from your phone then the application will be logging that data, pins, ID codes and all.

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If you had a MobileMe account that you did not move to iCloud, you can use that Apple ID to sign up for a new iCloud account (none of your previous MobileMe data will be present).

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Since Facebook includes your unique ID in site urls, that identifies our personal accounts, which can then be linked to our names.

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