Yep, OS releases have a lot of lead time vs. physical products. OS X Lion was de...

		earlyresort on Feb 16, 2012 \| parent \| context \| favorite \| on: Mountain Lion: John Gruber's personal briefing Yep, OS releases have a lot of lead time vs. physical products. OS X Lion was demoed on stage in October 2010, made available as a developer preview in February 2011, and launched to the public in July 2011.