Hivestack is a marketing technology company that helps marketers target consumers based on where they are and places they’ve been. Hivestack consists of a platform and a demand facilitation strategy. Hivestack’s full ad tech stack platform includes an SSP for DOOH media owners, an ad exchange with APIs to monetize unsold inventory, a geotemporal DOOH ad server, and a DSP used by digital agencies to buy DOOH programmatically.