Why being specific in ads works

“World-class MP3 player” could describe every box in the shop and several pieces of office equipment after a branding workshop. “1,000 songs in your pocket” gives capacity a human-sized home. Specificity makes copy useful by accepting the risk of being checked. Parcels arrive before 10am. The battery lasts fourteen hours under stated conditions. Reporting falls from two hours to twenty minutes for a named task. Suddenly “fast”, “powerful” and “productive” must either acquire evidence or leave the page. Broad adjectives feel safe because nobody can prove what they mean; customers ignore them for exactly the same reason.

Detail alone is no cure. A precise statistic about something nobody values is trivia in a lab coat. A number based on the friendliest possible conditions is vagueness with decimal places. Start with the consequence the customer needs to picture, then choose the object, action, time or quantity that makes it visible. Keep proof close enough to stop the claim wandering off.

Ask what the adjective looks like on Tuesday. Which step disappears? Which choice appears? What fits in the pocket? Copy becomes memorable when it stops describing the company’s mood and starts risking a concrete promise. Testability is the price of sounding real.

Behavioural principles

Behavioural ideas at play in this post

Short, plain-English explanations of the principles behind this post, with links to related books and examples in the archive.