Eric Fischer's series of "See something or say something" maps show geotags of photos and tweets. Red dots are Flickr pictures, blue dots are tweets and white dots are places that are both. The map below shows Los Angeles, and includes maps of other locations you'd expect (New York, London, Tokyo) but also included (Seoul, Rotterdam and Santiago, for example). Attribution 2.0 Generic (CC BY 2.0). Via reader Andrew Ferensowicz, via CNN Money. Click for larger view.