The difference is between actively sharing information -- uploading an image with location data, checking into a restaurant or other business -- and passively sharing it (what the tech companies like to call "frictionless" sharing).

CNN: Facebook Home, privacy and you

She said Totnes, which is known for its alternative lifestyle image, seemed the ideal location for her feline therapy cafe.

BBC: Totnes cat cafe plan criticised by animal charity

That makes the precise location of the surface where the image is to be formed much less important, because any particular plane at any given location will receive more or less the same pattern of light rays.

ECONOMIST: MONITOR

Now you can consult with someone thousands of miles away on the exact same image, in the exact same location and area of interest, at extremely high resolution.

FORBES: The Socialization of Microscopes

Totally cloud-based, the platform has been designed to offer a central location to organise, access and view all digital image collections.

ENGADGET: Canon launches Project 1709: a strangely named photo service with deep Facebook hooks

The Foveon X3 direct image sensor captures all primary RGB colors at each and every pixel location with 3 layers, ensuring the capture of full and complete color.

ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens

This color image from NASA's Curiosity rover shows part of the wall of Gale Crater, the location on Mars where the rover landed on Aug. 5, 2012 PDT.

FORBES: Wall of Gale Crater

The paper said in a statement that it had obtained the image from a news agency but that it had not been able to independently verify the date, location or circumstances of the photo.

BBC: Spain's El Pais apologises for false Hugo Chavez photo

Many of us know The Sharper Image best as a purveyor of massaging lounge chairs (which makes their stores a must-stop location in the mall), a chronic pusher of ozone generators, and as a perennial favorite in SkyMall catalogs as we bide our time on the redeye.

ENGADGET: Sharper Image selling self-branded cellphones Mobile