It has been widely recognized that online opinions constitute important informational sources for consumers and producers. The open nature of communication supported by social media, however, raises an important yet unsettled question of whether and how earlier opinions affect those that come after. This poster presents a model to illustrate the… (More)
Self-portraiture is an important activity in photography. Yet, it remains difficult for mobile users who often capture self-portraits spontaneously. This demo presents a prototype that combines computer vision with audio interface to complement the conventional visual interaction, thus assisting users to capture better-framed self-portraits.