10.6 came out in the infancy of iOS (summer '09). iOS sales weren't so astronomical as they are now. 10.6 was the last effective OSX update, with 10.9 being the

10.6 came out in the infancy of iOS (summer '09). iOS sales weren't so astronomical as they are now. 10.6 was the last effective OSX update, with 10.9 being the start of the great downfall.