Activists and free speech advocates need ways to communicate that can't be shut down by authorities.
A mobile chat app using mesh networking to route messages device-to-device without cellular or internet infrastructure.
NGOs and political groups would pay for reliable tools that work during internet blackouts or in repressive regimes.
MVP could be basic text messaging with Bluetooth/Wi-Fi Direct support, expanding to file sharing and group chats.
Risk: Adoption requires critical mass of nearby users to be useful.