US Army

According to the Defense Intelligence Agency, new memoir by a former DIA intelligence officer could "cause serious damage to national security." Now the agency is considering buying all 10,000 copies of the book in print and destroying them.

For all their popularity and apparent depth, the rules underlying social media market share are exceedingly simple. In short, there are two basic dimensions for a successful site: people and experience. If an application can accumulate people and getting them to reveal details that trigger...