CIMM DEFINITION: The use of automated video customization to create different versions of the same commercial to different viewers with the purpose of tailoring the message for a particular geographic, and/or viewer or household segment to enhance viewer relevance and advertising effectiveness. (Source: Visible World)

Note: SAG-AFTRA has already used a similar definition for potential changes to their talent compensation model (for new contract in 2012). (Source: Visible World)