Plotting a Map of New York City Using Only Taxi Location Data
In theory, plotting a million little points in close proximity should simulate the lines of the streets of New York City.
GeoViz
Locating All the Christmas Trees on Instagram
I downloaded hundreds of thousands of #tree images and found 25,432 images which were taken on Christmas, have a #tree, and, most importantly, contain location data where the photo was taken.
Mapping San Francisco Locations Using Facebook Data
With the data on approximately 8,000 Facebook Places in San Francisco, we can map where San Franciscans are checking-in, and determine what types of locations they like to visit.