You know that feeling when you walk into a store and you can see the thing you’re thinking of buying? Pick it up, run your fingers over it, play with it, taste it… (Well, maybe not that last one unless we’re talking grocery store samples.) The point being: There’s a power in the tangible. But it can be tough to give a digital product that same tangibility. When your prospective customer can’t touch your product, what’s the next best thing?…