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.. todo:: Not yet documented.

.. todo:: move this section somewhere?

visitor / visitor_cookie

Every visitor to a Zotonic web site gets a unique id. This id is stored as a cookie on the user agent. When the visitor returns to the site then he/she will be recognized by the cookie with the visitor id. This enables the possibility to remember the visitor's settings and preferences.

When a visitor logs on then the Zotonic can attach the user’s visitor record to the user’s rsc record. Zotonic can then also merge multiple visitor records into one. Enabling the possibility to remember preference changes between different user agents.