The document discusses starting and running a design partner program, which involves a dedicated set of users providing regular feedback on product features and UI design. Design partners are involved earlier in the design process than beta testers or user groups. Example programs described recruit from existing user groups and communities, requiring monthly or weekly commitment and using persona validation, product demos, and usability testing. Legal agreements between partners and companies vary but typically involve NDAs. Maintaining the program involves having an administrator, fostering community, and setting clear timeframes.