Even the biggest brands can forget to state the obvious. A few weeks ago, Lay’s announced what it called the largest brand redesign in its nearly 100-year history. The radical new changes? Warmer colors. A “sunnier” logo. A line that says: “Made with real potatoes.” (Courtesy Lay’s) What surprised me in this rebrand wasn’t the new design (aside from how it looks almost identical to the old one). It was Lay’s admission that 42% of its customers don’t know the chips are made from real,...