In the March and April issues of Technology Review are a pair of articles that explore the range of themes covered in my Always On Piece on both capture devices everywhere and aggregation of information.   Hmm, to see them you will have to provide some private information.

Can Sensemaking Keep Us Safe? By M. Mitchell Waldrop
"New intelligence software finds meaning in the chaos of clues scattered throughout data-saturated networks. The challenge: to unravel terrorist plots before they happen."

Surveillance Nation By Dan Farmer and Charles C. Mann
"Webcams, tracking devices, and interlinked databases are leading to the elimination of unmonitored public space. Are we prepared for the consequences of the intelligence-gathering network we unintentionally building? "