Facebook — 2.0 For Iphone 3g

: It set the blueprint for every social media app we use today—the infinite scroll, the tab bar, and the mobile notification.

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. 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. : It set the blueprint for every social

: Abandoning the "grid" layout of the first experimental app. Before this, "mobile Facebook" was a clunky web

: It had to work on 3G speeds, which felt fast then but would feel like dial-up today. Coding in the Dark