If you’re wondering whether to buy an Apple Watch, consider your computing life as a hierarchy of needs:
At the bottom sits your must have device—a computer, tablet, or phone—capable of independently accessing the Internet and storing useful quantities of data. And one step above that is Internet access itself. You need a device to use it, but your device can’t do much without it.
Every tier similarly builds upon the one below it. Next comes useful apps—browsers, productivity software, whatever you need to work and play—and these all extend your device’s functionality in basic, useful ways. Services for work (Dropbox, Office 365) and entertainment (Spotify, Netflix) follow. The line between software and services is increasingly blurry (especially if we’re talking about software-as-a-service) but most of them feel more optional. Everyone needs a browser. Not everyone needs Dropbox and Netflix and Facebook.
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