We are able to easily communicate with one another because of natural languages. These methods of verbal and written communication are shared between us as our primary mode of interaction, and without language we would be forced to resort to symbols and drawings. In many ways, this is how the modern computer expects a user to interact with it.
With the closing of CompUSA, it seems that we may have entered a new chapter for the do-it-yourself PC enthusiast. Not too long ago, there was a computer store on virtually every corner with many of them offering knowledgable support. Today the local computer shop looks more like a Best Buy or a Circuit City, so this is no longer a niche market and the PC has emerged as a commodity device.