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An Analysis of the Social Network of Flickr

In recent years there has been a dramatic increase in digital photography. Market research institute IDC, quoted by C|Net1, reports an increase in digital camera sales of 15% from 2005’s figure of 92.3 million to 105.7 million in 2006. This leads in turn to new markets for photo printing, storage and sharing. Our focus is on the online photo sharing communities, where we can find sites such as PhotoBucket, PBase, DropShots, PicasaWeb or Flickr. For this case study, we have chosen Flickr, for two main reasons: firstly, the Flickr community is one of the biggest ones (an approximate of 7.7 million users worldwide); secondly, the Flickr data is accessible through an API, and thus relevant data is relatively easy to collect.