will the author of the future cease writing by hand or typewriter and talk directly to the record?
There are several different technologies that do just this that are available to the public. It is amazing that Bush thought of this. Perhaps these technologies developed because Bush thought of this?
truly significant attainments become lost in the mass of the inconsequential
Although information can now be shared easily and quickly, it does not mean that the important rises above the "inconsequential" any more. In anything, the internet has provided a vast "abyss" in which one could get lost for ages searching for the consequential.
security
I find this interesting because the progression of technology in relation to the world wide web has created new dangers. In response, there have been new forms of ensuring security, but the danger from this technology still exists.