From the site:
"OWN A PIECE OF "LEMONADE: DETROIT" FOR $1/FRAME. We're inviting you to purchase individual frames of "Lemonade: Detroit" and become an IMDB-credited producer in the process. For $1/frame, $24/second, or $1440/minute, you can play a huge part in making the film. Join the movement now by clicking "Become a Producer."
276 producers have funded 8,349 frames."
I wonder if you get to choose your frames?