A very interesting paper, given how long ago it was written. Though informal, this was inspiring. The examples of possible pervasive systems — the vast majority of which have not yet been implemented — seem to have had a large impact on future ‘thinkers’.

The Computer for the 21st Century,” by Mark Weiser.

  author = {Mark Weiser},
  title = {The computer for the 21st century},
  book = {Human-computer interaction: toward the year 2000},
  year = {1995},
  isbn = {1-55860-246-1},
  pages = {933--940},
  publisher = {Morgan Kaufmann Publishers Inc.},
  address = {San Francisco, CA, USA},