Ever wondered where Flickr and Twitter are used the most? Eric Fischer (previously, previouslier, previousliest) has created a new set of maps comparing geotagged Flickr images to geotagged Twitter posts.
Photographer Eric Fischer created stunning maps of the places that pictures are taken in fifty cities worldwide. New York. London. Paris. San Francisco. [more inside]
Building on the ideas of Microsoft's Photosynth, flickr's geotagging, and Google's Panoramio, Viewfinder aims to organize photographs spatially in 3D worlds such as Google Earth. See it in action.
The IDIOM Media Watch on Climate Change aggregates web content from 150 sources, accessible in the form of semantic maps, on which the topology of the Earth is redrawn as mountains and valleys according to the density of available information, or a three-dimensional 'knowledge planet' viewable in NASA World Wind. [Via Information Aesthetics.]