Sentence examples for figures has been updated from inspiring English sources

The order of the figures has been updated in the original PDF and is given for reference below.

The index is presented with the weights used in the original version, but differs slightly from that version as some figures have been updated.

All of the figures have been updated by taking 2010 as a reference year.

Figures have been updated throughout.

All figures have been updated to reflect this finding.

Editor's note: The Ford GT500 horsepower figure has been updated from an earlier, incorrect figure.

This figure has been updated, resulting in no change in interpretation.

The legend to Figure 3 has been updated and a detailed description of the analysis procedure has been included into the Methods section.

This is discussed in the main text (subsection "Integral of stimulus determines fraction of active cells in the population", last paragraph) and Figure 7 has been updated with trajectories and images from these experiments.

Figure 4 legend has been updated.

Update: The company erroneously provided us with out-of-date user numbers initially; they've now provided more recent figures and the article has been updated to reflect this.  .