Firefox calls it quits on antiquated Windows XP, Vista

Mozilla last week shut down Firefox's support for Windows XP and Windows Vista, ending browser security updates for the outdated operating systems. "It required effort, and it required devoting resources to supporting XP well after Microsoft stopped doing so," Chris Hutten-Czapski, a Firefox engineer, said in a Sept. 5 post to his personal blog. "It meant we couldn't do other things, since we were busy with XP." [ Further reading: 14 must-have Firefox add-ons ] Support for the two...