Let's not take this metaphor too far.
Or perhaps we should. In at least one additional way my glasses and my online computer have something significant in common. Although a simple operation can probably cause me never to need my glasses again, I've decided that I'm going to continue wearing them. Maybe I like the slight distancing between me and the perceived world around me that the act of putting them on permits. And in that same manner, I have no intention of having a computer implanted in me. Here as well, a bit of distance, let's say from my hands to the keyboard, can't hurt.
Go to: Really a part of me.