CHI
2005
ACM
14 years 5 months ago
2005
ACM
Cryptographically protected email has a justly deserved reputation of being difficult to use. Based on an analysis of the PEM, PGP and S/MIME standards and a survey of 470 merchan...
CHI
2007
ACM
14 years 5 months ago
2007
ACM
In this paper, we present a study of user perceptions on mobile interaction with visual and RFID tags. Although mobile interaction with tags has been proposed in several earlier s...
CHI
2008
ACM
14 years 5 months ago
2008
ACM
Collecting usability data over time is increasingly becoming best practice in industry, but lacks "thought leadership" in current literature; few papers address the topi...