This category is for articles about the first laptop computers ever released to market (or designed, in the case of prototypes and published concepts; cf. the Dynabook), before the beginning of the maturation of the market for laptops circa 1988. Source: Roberta, Furger (November 7, 1988). "Redefining the Laptop". InfoWorld. 10 (45). IDG Publications: 47–49 – via Google Books.