Printed coupons distributed broadly have largely given way to offers loaded onto accounts. The shift changed the instrument itself, not just its delivery.

Printed coupons could not be targeted

A coupon printed in a circulation of millions reached everyone equally, including the buyers who would have purchased the product at full price.

The issuer had no way to withhold it from that group, so a large share of the discount was spent on sales that were going to happen anyway.

Redemption rates on broad distribution were correspondingly low, and the printing and distribution cost was incurred on every copy regardless.

Account-based offers are issued individually

When an offer is attached to an account, the issuer chooses who receives it based on what that account has bought before.

A buyer who purchases the product regularly can be excluded, while one who buys a competing brand can be offered a deeper discount to switch.

The same campaign budget therefore produces far more behaviour change, because none of it is spent on customers who required no incentive.

Redemption becomes controllable

Digital offers can be capped in total, limited per account, restricted to a window, and withdrawn mid-campaign if they run ahead of budget.

None of these controls were available on paper, where every issued coupon remained valid until its printed expiry regardless of what happened.

This turns a promotion from a fixed commitment into an adjustable one, which changes how aggressively it can be set at the start.

Measurement completes the loop

Because the offer and the purchase attach to the same account, the issuer sees not only redemption but what happened afterwards.

Whether the buyer repurchased at full price, switched permanently, or returned to their previous brand is observable, and that is the outcome that actually matters.

Paper coupons could report redemption counts and nothing more, which meant campaigns were evaluated on a number that answered the wrong question.

What the shift cost shoppers

Targeted offers mean two shoppers standing in the same aisle face different prices for the same item, determined by their purchase histories.

The shopper with no account, or with a sparse history, receives the weakest offers, because there is no basis for identifying what would change their behaviour.

Participation therefore became close to mandatory for accessing the best prices, which is the practical trade the mechanism asks for.