1) The document discusses using bid adjustments in Yandex.Direct search ads to retarget users who had previously visited the Quelle clothing website and added items to their basket but did not complete a purchase. 2) It describes how raising bids for these previous visitors led to a 5% increase in click-through rates, a 30% increase in users adding items to baskets, and a 73% increase in completed orders. 3) As a result of these improvements, the company's overall revenue grew 113% compared to the previous period without bid adjustments, showing that retargeting past visitors was an effective strategy.