Whether our numbers are representative of worldwide OS X use or not, the trends here are fascinating. We recognize that our audience is more likely to stick with an older OS, whether due to older hardware, software compatibility, or just seeing no need to change. While OS X 10.6 is now several versions behind, it is hanging in there as one of the most used versions of OS X, as data from our site logs shows in the graph above. OS X 10.6 Snow Leopard remains a Top 3 platform among Mac users even 4 versions later!