Pre-pop enables the publisher to pre-populate certain fields on a form with the user’s information so that the user has fewer fields to fill out.

  https://www.provide-savings.com/?id=245&pid=s1&eid=201&subid=#affid#&sid=#s1#&fn=[firstname]&ln=[lastname]&email=[email address]

*Important Note: The firstname, lastname and email address fields can be pre-populated by the publisher populating the variables with the appropriate user information. However, pre-pop is not restricted to those fields. Any field can be pre-popped.