Pep up your performance
Age is one obvious possibility: there’s not much inside that’ll get slower before it actually dies, but hard disks and batteries can definitely get glitchier towards the end of their life. Ultimately, as you keep upgrading your OS and apps but not your hardware, it’s eventually going to fall behind. That’s due in large part to the CPU, which can’t be replaced, and this is why we have the Apple Store and its enticing selection of shiny new Macs.
