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We coded up a quick webpage that displayed a random photo from the data set and asked some basic multiple-choice questions about that photo.
As an added bonus, the file name of each image is a UNIX timestamp of when it was taken. (Note: we tried contacting the creators of Chatroulette Map to participate in this story but did not receive a response.) Once we had photos, times, and locations, we needed data on what was happening in each chat photo.His last guest post was an analysis of Twitter user data.