How to make your headline memorable

See how Whimsical uses one simple trick to write copy that sticks

Loop & Tie and the Principle of Unity

How a few words can create a powerful sense of belonging—and why that really matters for conversions.

A LinkedIn Cold DM CTA and the Foot-in-the-Door Effect

How micro-conversions can help you boost conversions

Loop’s Facebook Ad and the Vividness Bias

How to write hooks that live rent-free in your reader’s mind

A Basic Arts Subject Line and the Principle of Consistency

How this subject line went after the jugular—and why it paid off

Rover’s Subject Line and the Curiosity Gap

How to write subject lines that get an immediate open

Sephora’s Latest Lines Email and the Novelty Bias

Sephora’s Back-in-Stock Email and Loss Aversion

Sephora’s Replenishment Email and the Self-Reference Effect

Sephora’s Review Email and the Warm Glow-Giving Effect