This startup’s ‘brewless’ coffee is more than just a new way to say instant

Given the importance consumers place on convenience, you’d think the quickest coffee fix possible would be the most attractive. But most coffee drinkers are picky. Even if they do so begrudgingly, they’ll sacrifice an extra minute and an extra dollar for a high-quality brew. They don’t want that instant stuff.  Amid a move toward artisan home brewing from consumers and convenient prepackaged cold-brew options from established brands and clever startups, Chicago-based Diamond Brew...