For example, the company recently developed a campaign for Electronic Arts that was able to target Xbox 360 owners with an interactive ad for NCAA Football '11 that allowed them to download a demo of the game to their console.

FORBES: Magazine Article

The Patriot missile homes on an electronic signal "painted" on the target by the radar, and relays its position in relation to the target back to the radar and on to the control centre.

BBC: Fact file: Patriot missile defence

Rather than storing hundreds of target images in conventional, power-hungry electronic memory, they used a holographic memory.

ECONOMIST: Optical recognition

Above the square, an electronic news ticker announced that the Boston Marathon suspects' next target might have been Times Square.

NPR: Police: Boston Suspects Planned To Attack New York

The Register's Lew Page further extrapolates that could mean that a group of undercover operatives or special-forces troops would be able to be dispersed near a target and hone in on a particular cellphone, or other electronic device for that matter, and then proceed to track it with no one the wiser.

ENGADGET: DARPA's "Gandalf" project aims to hone in on cellphones and track 'em

Since their target levels were under control, they underwent less testing, suggesting electronic health records could actually reduce overtesting.

FORBES: Largest Study Ever Links Electronic Health Records With Improved Patient Outcome

Overhead, holiday signs with minimalist, Target-like graphics of doves and presents blinked with LED lights like electronic snowflakes.

FORBES: Connect

Described as "an electronic question and answer system", it sends a radar signal to any unidentified target to which a friendly will respond automatically with a coded reply.

BBC: NEWS | UK | No easy fix for 'friendly fire'

But Anontune could come into the world with a target on its back, even if it operates using completely legitimate methods, according to Electronic Frontier Foundation attorney Corynne McSherry.

CNN: Anontune: the new social music platform from 'Anonymous'