From what Google was saying a while back, the reason we don't see people making programs that consume 1GB of data is because nobody can consume 1GB of data. The theory is that if that much bandwidth is available, new technologies will be built to utilize it, even though we might not be able to conceive what those are right now. Is it possible that we will all have these connections and do the same old thing we are doing now? Possibly, but we could have also been perfectly content with single core chips.
