A research team led by Microsoft's Helen Wang recently published a report about an experimental browser prototype called "Gazelle" that uses processes to isolate page content elements originating from different domains. It builds on the concept of multiprocess browsing but uses more fine-grained isolation to expand on the security advantages that are already delivered by existing multiprocess browsing models. But is it an operating system, Microsoft Research's analogue to Google's Chrome OS? Not quite.

Wang's characterization of Gazelle as a "multi-principal operating system" for the Web has ...

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