Lemma is one of the largest and fastest growing DOOH platform and the First end-to-end Programmatic DOOH exchange built on IABs Open RTB standard. By building to this standard, Lemma has enabled multi-channel buyers and suppliers to connect and transact in DOOH without having to modify their platforms or do a custom integration. This is a massive leap forward for the OOH industry, as it increases both access to supply and demand from a wider array of programmatic buyers and sellers around the globe including APAC, AMERICAS & EMEA