This presentation reviews the impending transition within the industry from a “prints” business model to one that incorporates a wide range of photo products - the emergence of a true digital fulfillment business model.
Don Franz, "The World Photo-Imaging Market in Review" in Proc. Int'l Symp.on Technologies for Digital Photo Fulfillment, 2007, pp 1 - 3, https://doi.org/10.2352/ISSN.2169-4672.2007.1.0.1