ALT As our cities grow increasingly dense (and in some cases more dangerous) they also present new obstacles in the form of construction, congestion, and multi-modal transportation. This trend presents the greatest challenge for people with vision loss and mobility issues, however, the COVID-19 pandemic has also introduced issues for billions of urban dwellers who need to find ways to avoid exposure as they move along sidewalks, pathways, and public spaces. Tune in to this episode of the Ask AI podcast and learn how Bin Liu, CEO and co-founder of Toronto-based iMerciv is using machine learning to augment the pedestrian experience for people with vision loss and helping city-dwellers reduce their exposure to COVID-19.