CHI
2009
ACM
14 years 9 months ago
2009
ACM
Authentication in public spaces is a risky task. Frauds on cash machines (ATMs) are not uncommon nowadays. The biggest group of attacks is observation attacks, which focus on reco...
CHI
2010
ACM
14 years 9 months ago
2010
ACM
A cord, although simple in form, has many interesting physical affordances that make it powerful as an input device. Not only can a length of cord be grasped in different location...