Vusion to Acquire In-Store Media Vusion has agreed to acquire In-Store Media (ISM) as it looks to strengthen its position in the in-store retail media market. Walmart Accelerates Digital Shelf Labels Rollout Following its previous plan to expand VusionGroupโs DSLs to 2,300 stores by 2026, the partners will ramp up installations across all of Walmart's 4,600 stores in the U.S. Walmart to Bring Digital Shelf Labels to 2,300 Stores By 2026, more store associates will be able to manage pricing, inventory, order fulfillment and customer interactions using a mobile device.