An engineering challenge, the development of an electronic paper display in color was difficult due to the very nature of electronic paper technology itself. (visionect.com)
But when it first occurred, the development of paper technology encouraged the development of science, mathematics, literature, and religion, among other pursuits. (sciencemag.org)
Electronic paper technology evolves at a very slow pace compared to other electronics. (blog.the-ebook-reader.com)