Mac OS X Lion the false apple
1996 - 2011
NeXT technology became the foundation of the Mac OS X operating system.
Memory leaks in Lion?
2011 - 2012
OS X Lion introduced memory leaks and made working with the Mac feel like working with Windows.
Frequent reboots neccessary to operate halfway efficient.
Some say it's never quite been the same since Avie Tevanian left.
Apple Support Forum.
Avie Tevanian false apple iCloud Mac OS X memory leaks in OS X Lion NeXT technology when it rains it pours