This visualisation shows averageentries at each and every Underground, Overground, and DLR station over the course of a week using a 10-minute interval. So in theory there are some 300 * 7 * 24 * 6 data points in this image.
Paul Mison's random stuff that doesn't go elsewhere. Is it microblogging, or microactivity?
(Previously known as 'tumblr is my sock drawer', for reasons that are somewhat unclear.)