Toolglass and magic lenses: the see-through interface
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Bricks: laying the foundations for graspable user interfaces
CHI '95 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the 1st conference on Designing interactive systems: processes, practices, methods, & techniques
Tangible bits: towards seamless interfaces between people, bits and atoms
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Collaborative augmented reality: exploring dynamical systems
VIS '97 Proceedings of the 8th conference on Visualization '97
Augmented surfaces: a spatially continuous work space for hybrid computing environments
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Single display privacyware: augmenting public displays with private information
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Interactive stereoscopic display for three or more users
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
A New Collaborative Infrastructure: SCAPE
VR '03 Proceedings of the IEEE Virtual Reality 2003
ISWC '98 Proceedings of the 2nd IEEE International Symposium on Wearable Computers
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Territoriality in collaborative tabletop workspaces
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Low-cost multi-touch sensing through frustrated total internal reflection
Proceedings of the 18th annual ACM symposium on User interface software and technology
Transparent Tabletop Interface for Multiple Users on Lumisight Table
TABLETOP '06 Proceedings of the First IEEE International Workshop on Horizontal Interactive Human-Computer Systems
Public and private workspaces on tabletop displays
AUIC '08 Proceedings of the ninth conference on Australasian user interface - Volume 76
SLAP widgets: bridging the gap between virtual and physical controls on tabletops
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Multi-touch authentication on tabletops
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
TaPS Widgets: tangible control over private spaces on interactive tabletops
CHI '11 Extended Abstracts on Human Factors in Computing Systems
PiVOT: personalized view-overlays for tabletops
Proceedings of the 25th annual ACM symposium on User interface software and technology
TangibleRings: nestable circular tangibles
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Interactive coffee table for exploration of personal photos and videos
Proceedings of the 28th Annual ACM Symposium on Applied Computing
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Interacting with private data is important in multi-user table-top systems, but hard to implement with current technology. Existing approaches usually involve wearable devices such as shutter glasses or head-mounted displays that are cumbersome to wear. We present TaPS, lightweight transparent widgets that only pass light coming from a particular direction to shield the content beneath them from other users, creating Tangible Private Spaces. TaPS widgets use low-cost hardware to provide tangible privacy controls to interactive tabletops. Informal studies indicate that TaPS widgets enable users to successfully move documents between public and private tabletop spaces without compromising privacy and allow for secret data entry.