Windows 8 die-hards waiting on Mozilla's Metro Firefox update will have to wait a little longer: the company says it won't be ready until next year. According to a recently published archive of meeting notes, the final public release of the Windows 8 interface won't be available until January 21, 2014. The document is filled with meeting jargon and completion numerics, but the notes do pin the delay a "decrease in average team velocity" ac