This animation (GIF alert) shows the distribution of music sales over time.
Wait a few seconds and you see the pie chart changing for multiple years.
This data can be represented much better by a series of stacked column
charts. The animation takes too long, and the audience does not have the
overview of all the years.
I copied this image from a Tweet that did not include the reference to the
source.
There are other problems as well with this chart, gradients, standard
Microsoft Office colours, drop shadows, small data labels, and ambiguous
labelling ("Internet", "mobile", "video", etc.).
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Even if I were going to do some sort of animation to show the changes over time (which I agree is not necessary here) the timing is really slow and pies are notoriously bad choices for most data. But if I had to do something like this (because my boss absolutely had to have an animated pie) one thing I would change immediately would be to stop having the data labels jumping inside and outside of the pie and I would try to come up with a better way to use the colors to tell the story.