Analytics service Get Clicky is tracking the global market share of Chrome, Google's new browser. As of September 3rd, 2008 at 7:45 PST, the market share was 2.72052% among the services 45,000 websites GetClick monitors. Expect that number to fluctuate over the coming days and weeks. Chrome currently only works on Vista and XP, but as additional operating systems come on board, it will be increasingly important to test your site design in the Chrom browser.