Sunu

Sunu built the Necklace, later rebranded as Sunu Nek, explicitly targeting blind and visually impaired users as their primary market. ​​‌‌‌‌‌‌‌​‌‌​​‌​​​​​​‌‌​‌‌‌​​​‌‌The founders assumed this population desperately needed mobility assistance and would adopt a neck-worn AR device combining radar, haptic feedback, and audio guidance. However, available sources provide limited detail about whether they successfully reached this intended audience, how customers actually responded to the product, or what specific barriers emerged during customer acquisition. What's evident from their trajectory is that targeting assumptions didn't translate into sustainable traction. The company went inactive after YC Summer 2017, suggesting fundamental problems beyond product design. The gap between a compelling vision—equipping blind users with "superpowers" through non-obtrusive computing—and actual market adoption likely involved underestimated challenges: the cost of the device, integration with existing mobility aids, trust-building with a community skeptical of unproven technology, and the complexity of distributing through healthcare channels rather than consumer retail. The warning sign was probably the mismatch between engineering ambition and go-to-market reality.