Earlier quoted context omitted.
See apple.com for your answer. I can't believe on hn you'd ask why anyone should upgrade. Being on the latest version is more secure for one. People can stick with old versions, but then they'll miss out on the new stuff. For some that doesn't matter, but most of hn are early adopters so using the latest would be the norm. While osx has introduced some annoying changes, for those with the skills, or the ability to us…
Looking at apple.com's list of features for mountain lion Lets see what was added in mountain lion that I would use: * Improved preference pane (OK, this might be good) * Accessibility pane available from anywhere (No) * New braille display support (No) * Voice Over stuff (no) * AirPlay Mirroring (Don't have anything that can use that) * Auto Save (Don't really want this, I use vim for most things anyway) * Built-in…
I was reluctant to upgrade from 10.6 to 10.7 because I really disliked the changes to Spaces/Expose, but even last year it was becoming more and more common to see apps dropping support for 10.6. With Mavericks around the corner, 10.7 will start seeing the same treatment soon. At $20 to upgrade, it's more than worth it.