A QR code is easy to make. Uniqode charges for keeping it useful after the menu changes, the campaign moves on and someone asks what all those scans achieved.
Opensense made a business out of the few square inches beneath every employee email - part brand rulebook, part miniature ad network, and part lesson in finding value where everybody else has stopped looking.
HiHello builds digital business cards, email signatures, virtual backgrounds, and contact management tools for individuals and enterprises. Founded in 2018 in Palo Alto by serial founder Manu Kumar (CardMunch, Carta) and Hari Ravi, the company turns the awkward exchange of paper rectangles into a tappable, shareable, trackable contact moment.