“Although the average catalog costs about a dollar per copy to produce and ship, compared with pennies per email, Krepsik says that they’re particularly effective at prompting large purchases (up to twice as expensive as those made by noncatalog shoppers) and luring back customers after first purchases. Higher receipts and consumer loyalty are exactly what a plucky upstart needs to become a standard-bearer—or for a long-standing business to fight back against Amazon.” Amanda Mull in The Atlantic: Why the Restoration Hardware Catalog Won’t Die. (You may know these better by their military name: Bunker Busters.)