The OS X Mountain Lion Pocket Guide

5. Manage Important Information

I don’t mean to treat computers like people (they hate that, as the saying goes), but there was a time when a computer didn’t really care who you were. You’d use a computer for specific tasks: write a letter, balance your checkbook, play games. When you were finished, you’d turn off the computer and do something else.

But now, your Mac running Mountain Lion cares very much about who you are, because computers are more important for our personal lives. We can use Mountain Lion to keep track of friends and acquaintances, schedule events and meetings, and communicate with people all around the world. OS X includes low-level databases for contacts and events that other programs tie into, which helps us manage our lives ...