Google's technology would have let cellphone users take pictures of people, then conduct an image search on Google to find a person with matching facial features.

WSJ: Police Adopting iPhone-Based Facial-Recognition Device by BI2, Raising Civil-Rights Questions

But take a shirt and turn it into an image (a promise of hipness, say), aim it at a specific customer segment (such as young Filipinos in Hong Kong), and display it to them in the right setting and with enthusiastic service, and you have both differentiation and a winning business model.

ECONOMIST: Asian companies and the China challenge

"There is an image of a great power that doesn't take any risks, " said el-Baz, adding Egypt itself was under tremendous pressure because of what he called U.S. trepidation to get heavily involved in the conflict.

CNN: El-Baz

An array of field-emission devices, however, will take their exposures simultaneously, so the resulting image should always be pin sharp.

ECONOMIST: Modern X-ray technology

Edmonds talks to Melissa Block about the stories behind some of the pictures from Middle East summits, the challenges of capturing those moments in time, why many of the best photos take place after an event has finished, and how presidents try to cultivate an image through photos.

NPR: Iconic Images Emerge from Mideast Summits