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a set of detailed pixel scatterplots of digg activity. the time of day that a digg occurred is represented horizontally, midnight to midnight, Pacific Standard Time. the vertical axis indicates story ID, with the newest at the top, & the oldest at the bottom. color denotes the amount of time a user has been a member.

some apparent patterns: submissions are slow during the early morning hours & evenings, people digg in stories in time sequence (or reverse sequence), & some stories are dugg only by new users (or, in fact, some stories are so strong people became members specifically to digg them).

see also bigspy & stack swarm &digg visualization & digg dot plot.

[link: stamen.com]