What makes a copywriting Big Idea worth building a campaign around

Executive overview

Most copywriters freeze when told to create a Big Idea — David Ogilvy said he had maybe 20 in his whole career. That framing is paralyzing for anyone producing copy at volume.

The practical unlock: a Big Idea is whatever your prospect believes they're entitled to — but haven't received yet — that you can credibly promise.

A Big Idea is a single, unifying belief your audience carries with them; your job is to find the entitlement gap and own it.

What makes something a Big Idea

• Persuasive and unifying — one thought that runs across every asset in a funnel
• Durable enough to survive years, ideally decades (Ogilvy's 30-year test)
• Resonates because it taps a felt belief, not a product feature
• "Have a break, have a Kit Kat" ran from 1957 to 2004 — one idea, one campaign
• "Make America Great Again" spread beyond ads to become a lived identity — a textbook case in unifying persuasion, politics aside

The entitlement question — how to find your Big Idea

• Ask: what does your prospect believe they deserve in life that they haven't got yet?
• That gap is where a Big Idea lives — it's felt, not manufactured
• Narrow it to what you can actually promise
• Example: "Become the most profitable person in the room" — targets copywriters whose value is constantly questioned, promises a status reversal
• Uniqueness is a bonus, not a requirement — but if you can tie the idea to your brand specifically, it's stronger

Why most copywriters never attempt one

• The 30-year framing makes it feel impossibly high-stakes
• Agency and freelance work demands big ideas on repeat, not once in a career
• Reframe: the entitlement question makes it a research and insight problem, not a creative gamble