Retailer John Lewis has launched what it is calling a “premium” retail media proposition at its freshly-refurbed outlet in Dartford’s Bluewater shopping centre.The new-look department store will now feature a seven metre-high digital billboard in its atrium, forming part of a series of high-impact touchpoints dotted throughout the shop.One of eight new digital screens mounted in the store, the seven-by-four-metre billboard has been designed to “help bring cinematic above-the-line content to customers” accor ...