Following Revelation of U.S. Surveillance Program Guardian Exposes: Most of NSA's Web-gathered Intel Focused on Iran

According to The Guardian, a data-mining tool called the 'Boundless Informant,' shows the American agency collected nearly 3 billion pieces of intelligence from computer networks over a 30-day period ending in March 2013.

America's National Security Agency has developed an accurate tool for documenting and examining where intelligence information comes from, The Guardian reported Saturday.