img class="https://itunes.apple.com/us/app/apple-store/idcom.whatsthis?mt=8" app_id="347124" target="_blank">Pupil looks to leverage tagged photos in a new way. Pupil is a socially-driven Q&A service that puts photos at the center of each question. Adding visual context offers a proof point for the Q&A app, combining text, images, location and crowd-sourcing to learn your surroundings in real time.