Description: Rickshaw is a JavaScript toolkit for creating interactive time series graphs. Looks nifty. Free, open source, MIT licence, developed at Shutterstock.com.

Remarkable HTML5/Javascript dynamic representation of Bach's cello suites. Beautiful.

Fantastic slide deck pointing out when and when not to use certain types of visualisation for data. (Also uses a slide embed system called speakerdeck.com which is rather cool.)

See people anonymously editing Wikipedia entries almost in real time. (Via @realouisewener who is.. the real Louise Wener).

From the OpenViz blog: "Those of you with longer memories will recall my post back in May, promoting the then new triple store for DCLG’s Indices of Deprivation.<br />
"I’d love to report that this has generated a flurry of new apps.  I think I’m not alone when I say: we need some more real-world examples which show us the true power and potential of blending together different data sources….over the web…..using open standards."<br />
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Very impressive demonstration. The thought that occurs on seeing it is that indices don't tell you much about behaviour or other things; they don't provide any predictive power, and that's what's lacking.

"That's an artifact of population density and Flickr and Twitter users. What's more interesting though are the areas outside of the city dominated by blue and orange. For example, in the North America map above, the east is dominated by blue, whereas the west seems to be more orange.<br />
"What compels people to tweet over taking a picture and vice versa? Or are we just seeing a Twitter scrape that happened in the early morning, before the west coast woke up?"

"When most people speak of Math, what they have in mind is more its mechanism than its essence. This "Math" consists of assigning meaning to a set of symbols, blindly shuffling around these symbols according to arcane rules, and then interpreting a meaning from the shuffled result. The process is not unlike casting lots.<br />
"This mechanism of math evolved for a reason: it was the most efficient means of modeling quantitative systems given the constraints of pencil and paper. Unfortunately, most people are not comfortable with bundling up meaning into abstract symbols and making them dance. Thus, the power of math beyond arithmetic is generally reserved for a clergy of scientists and engineers (many of whom struggle with symbolic abstractions more than they'll actually admit).<br />
"We are no longer constrained by pencil and paper. The symbolic shuffle should no longer be taken for granted as the fundamental mechanism for understanding quantity and change. Math needs a new interface."

Winner of a Google visualisation. We're next hoping for "where did my corporate tax payments go?"

"Fractal Lab is a WebGL based fractal explorer allowing you to explore 2D and 2D fractal. The fractals are rendered using the OpenGL Shading Language (GLSL) to enable real-time interactivity."