Information Technology Reference
In-Depth Information
Chapter 8
Conclusions
Highly varied and efficient practices of interacting with physical documents have
evolved over hundreds of years. Compared to these practices, the way we work
today with documents on computers is limited in many respects. As a consequence,
we are still far from becoming paperless. Most knowledge workers still make heavy
use of printed documents, while they also use digital documents. This topic has
addressed Pen-and-Paper User Interfaces that bridge the gap between printed and
digital documents. In this last chapter, we summarize the main outcome of this topic
and identify directions for emerging and future research.
8.1 Summary of this topic
While both traditional pen-and-paper practices and Graphical User Interfaces for
document work are well-understood, it is a challenge to build a bridge between
both worlds. In this topic, we provided a survey of the state-of-the art, contributed a
design approach with the first theoretical interaction model of Pen-and-Paper User
Interfaces and presented a set of interaction techniques for annotating, linking and
tagging documents.
State-of-the-Art Survey
This topic has provided a comprehensive introduction to the field of Pen-and-Paper
User Interfaces. A discussion of empirical studies on the use of paper from the lit-
erature has showed that paper has specific affordances, which are highly supportive
for successful knowledge work. With respect to the readability of text, cutting-edge
technology for electronic displays has almost caught up with the image quality of a
good print on paper. However, paper still has a number of unique advantages, which
are mostly due to its physical nature: paper documents make information tangible.
They can be effectively navigated, annotated and organized in physical space.
 
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