1) The mobile market is growing exponentially, surpassing traditional markets like PCs, TVs, and movies. Smartphones now make up 19% of the mobile market and drive most mobile internet usage. 2) The document outlines two prototypes created by Ghent University Library to create a mobile library website and app. The first in 2009 was a simple mobile-optimized website, while the second in 2010 was a hybrid native/HTML5 app supporting multiple mobile platforms. 3) The second prototype took 4 months and cost around 4 weeks of a programmer's time to create basic features like searching the catalog, placing holds, and accessing databases from a mobile device.