Emotiv's brain interface.

If you think the debate over iPhone vs. Android, or Windows vs. Mac is too vitriolic, prepare for the real battles to come. Touch interfaces have removed a psychological and functional barrier, and opened the way to an always-connected, computing in your hand world. This is a major step forward, but as early demonstrations of Google Glasses reveal, computing technology continues to strive for an ever greater and closer integration into our psyche.

That’s interface. And whether it’s touch, gestures, voice, augmented reality glasses, or eventually a direct brain connection, it is going to play a much greater role in our lives in the coming years. Our online data and activities are bound to leak in and eventually fully integrate with our everyday physical existence. Eventually, interface will not only shape how we “use apps” or “surf the web” – it will filter how we view the physical world around us, shape how we make sense of it, drive how we operate in it. Increasingly, the people who shape the interfaces we use shape our lives, and even shape us.

That’s why it’s important to realize that different interfaces are based on different assumptions about the world and the user. Embedded in Apple’s software interface, for example, is the assumption that your experience while using the tool is just as important as what the tool does. Dig deeper, and you’ll see a present-oriented approach. The idea that life is made of a string of “nows”, and that good experiences are therefore the most important thing in life. Embedded in Google’s designs is the idea that new technical capabilities must be available to users as soon as possible, and that over time the right experience will develop. Again, dig deeper and the assumption seems to be that your ability to get a certain result in the future is more important than your experience in the present. Google, in other words, views life as a string of past and future milestones. As long as you hit the right ones, what’s in between matters less.

When buying into a software platform, we should be aware that we are buying into a philosophy of life, and that that philosophy, whether conscious or not, will shape our lives in no small way. When thinking of particular app designs, the assumptions become more concrete. What is the most important thing for us to know in a given situation? What is the most important action we need to take? When and how should we take that action? When is it OK to interrupt us, and who gets to decides that? All of these are interface questions that already shape our lives today.

How much more influential will they become, when software becomes less and less separable from our own psyche?