Google has upgraded its browser to Chrome 23, released for Windows, Mac, Linux and Chrome framework. New features brought by Chrome 23 include GPU video decode acceleration, more convenient site permissions management and start supporting DNT agreement.The most important feature of this version upgrade is the support for "Do Not Track (DNT)". As one of the solutions to address online privacy issues, DNT protocol allows Internet users to control how their privacy information can be tracked, also websites which are complying with this agreement will not track the user's personal information.Micr...