The clarity and mystery behind what makes Twitter run

Even though Twitter has convinced the world that it’s a vital source of information, it’s only as good as its infrastructure allows it to be. In the third part of our look at Twitter’s big summer, we turn to the servers.

After tumultuous summer, developers cast wary eye on Twitter

Want to work with Twitter? In the second of a three-part series on Twitter’s development as a company, we explore the complicated relationship between Twitter and developers, who are chafing under new rules and regulations that come with the company’s growth.

Twitter at the crossroads — growing up is hard to do

Twitter is in the midst of a strategic transformation, from being an open information network or real-time data utility to being an ad-driven media entity, and that evolution raises a host of questions about the future of the service and its impact on users.