The uninformative hyperlink above leads to a front-pager story (covered by the NY Times and the WP), to wit:

Spy Agency Mined Vast Data Trove, Officials Report

By ERIC LICHTBLAU and JAMES RISEN
Published: December 24, 2005
WASHINGTON, Dec. 23 - The National Security Agency has traced and analyzed large volumes of telephone and Internet communications flowing into and out of the United States as part of the eavesdropping program that President Bush approved after the Sept. 11, 2001, attacks to hunt for evidence of terrorist activity, according to current and former government officials....