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Google Chrome is Google’s open source browser project. As rumored before under the name of “Google Browser”, this will be based on the existing rendering engine Webkit. Furthermore, it will include Google’s Gears project.
The browser will include a JavaScript Virtual Machine called V8, built from scratch by a team in Denmark, and open-sourced as well so other browsers could include it. One aim of V8 was to speed up JavaScript performance in the browser, as it’s such an important component on the web today. Google also say they’re using a “multi-process design” which they say means “a bit more memory up front” but over time also “less memory bloat.”
http://blogoscoped.com/archive/2008-09-01-n47.html