Pickup Usability Dominates - Human-Computer Interaction and Innovation in Handheld, Mobile and Wearable Technologies - page 56

ACKNOWLEDGMENT Brewster, S. A. (2002). Overcoming the Lack

of Screen Space on Mobile Computers. Per-
sonal and Ubiquitous Computing , 6 (3), 188-205.
doi:10.1007/s007790200019

Our thanks are extended to our reviewers whose
comments have strengthened this article. We are
also grateful to those organisations and compa-
nies that have given permission to use images
throughout the article.
All trademarks are used with appropriate refer-
ence to their holders. FrogPad is a trademark of
FrogPad Inc.—Figure 2 (right) is used with permis-
sion of FrogPad. FastTap is a trademark of Digit
Wireless Inc. Figure 3 used with permission of
Digit Wireless. Douglas Engelbart image (Figure 4
left) is used courtesy of SRI International, Menlo
Park, CA. MicroWriter AgendA image (Figure 4
right) used with permission of Bellaire Electronics.
Blackberry is a trademark of Research In Motion
Limited. Fitaly keybord image (Fig 6 left) used
with permission of Textware Solutions. XT9 is a
registered trademark of Tegic Communications,
Inc. The Tegic Communications, Inc. name, icons,
trademarks and image in Figure 7 are used with
permission. Microsoft, Windows is a registered
trademark of Microsoft Corp. Unistroke is patented
technology of Xerox. Graffiti is a registered trade-
mark of Palm Inc; Jot and WordComplete of CIC.
Figure 9 (centre and right) images used courtesy
of KeyPoint Technologies of whom AdapTxt is
a trademark. Figure 10, 11 and 12 images used
courtesy of related article authors. Figures 1, 2
(left), 6 (right) and 8 drawn by authors and may
be altered from original layouts for clarity. Figures
9 (left), 10 (left) and 12 screen images taken by
authors. Images in Figure 5, original photographs
by authors.

Card, S., Moran, T., & Newell, A. (1983). The
psychology of human-computer interaction .
Lawrence Erlbaum Associates.

Card, S. K., Moran, T. P., & Newell, A. (1980).
The keystroke-level model for user perfor-
mance time with interactive systems. Com-
munications of the ACM , 23 (7), 396-410.
doi:10.1145/358886.358895

Clarkson, E., Clawson, J., Lyons, K., &
Starner, T. (2005). An empirical study of typ-
ing rates on mini-QWERTY keyboards. In
CHI '05 Extended Abstracts . ACM Press.
doi:10.1145/1056808.1056898

Cockburn, A., & Siresena, A. (2003). Evaluating
Mobile Text Entry With The Fastap Keypad. Paper
Presented At The People And Computers Xvii
(Volume 2): British Computer Society Conference
On Human Computer Interaction, Bath, England.

Duh, H. B., Tan, G. C., & Chen, V. H. (2006). Us-
ability evaluation for mobile device: a comparison
of laboratory and field tests. Paper presented at the
8th Conference on Human-Computer interaction
with Mobile Devices and Services: MobileHCI
'06, Helsinki, Finland.

Dunlop, M. D. (2004). Watch-Top Text-Entry:
Can Phone-Style Predictive Text-Entry Work
With Only 5 Buttons? Paper presented at the 6th
International Conference on Human Computer
Interaction with Mobile Devices and Services:
MobileHCI 04, Glasgow.

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