There are even instructions on how to upgrade to Firefox or Chrome, which do support WebGL. The final twist to the story is that the mapping data is being provided to the open source Cesium 3D mapping tool by Bing i.e. by Microsoft.
So if you see the graphs of Firefox and Chrome usage jump in the days after Christmas — now you know the reason. The choice of WebGL has delivered a very pleasing Christmas present to both Mozilla and Google. Ho, ho, ho....."
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