The developers didn't even have final hardware for most of the cycle. They worked on simulators, guessing how a thumb would feel sliding across glass instead of a trackball.
: Abandoning the "grid" layout of the first experimental app. Facebook 2.0 For Iphone 3G
Before this, "mobile Facebook" was a clunky web page you loaded on a Blackberry. It was slow, text-heavy, and ugly. The mission for was simple but terrifying: rebuild the social network from scratch for a device that lived in a pocket. The developers didn't even have final hardware for
: They optimized the code so photos would upload in the background, allowing users to keep scrolling while their 2-megapixel memories traveled to the cloud. The Launch Facebook 2.0 For Iphone 3G