A great UX strategy is sonic branding. As simple as mindfully creating the sound your app makes or your POS sounds can make a huge difference in engagement, recall, and repetition of sales.
The way of marketing pre COVID is gone. I was just writing about the marketers new challenge of marketing toys to kids without having them as present "aisle browsing". My answer; focus on more of the senses not just that product's primary one. We have 5. Let's use them. Especially when we don't have that physical association as present anymore.