CHI
2009
ACM
13 years 12 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
13 years 12 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...