The sun shines, and the three slabs of white marble gleam, apparently spotless until Horner leans down, licks her thumb and rubs it against a smudge. “See that?” she says as the spot disappears.

Marble Slab Creamery has been an innovator in the ... “Our co-branded experience is integrated the moment you step in the door [...] This cohesiveness has led to the model being highly popular ...