For the fiscal third quarter all the geographies had at least 420 basis points of operating income compression except for the US, which only had 190 basis points (see table below).
Microsoft said it affected IE with Service Pack 1 installed but only if visiting websites that use data compression and the widely used version 1.1 of the HTTP web protocols.
By comparison, in dealing with the vast realms of low-content data, just about the only way to cost-effectively refine down to the good stuff will be through high-powered data compression.