Dear Photograph, that idea is taking a snapshot — usually one featuring one or more people and dating from the film-photography era — and holding it up against the original setting so that past and present blend into a new work of art.
Gadget-advice site Retrevo focuses on helping you shop for items in popular categories such as HDTVs, cameras, camcorders, laptops, tablets and phones. It aims to steer you toward the right choice for you (it has different recommendations for early adopters and bargain hounds)
Pingdom has a very strong and narrow focus. That focus lies on covering the uptime monitoring needs of 90% of the companies in the world.