Sounds like the Brits gone mad but the French have nothing to worry about. It’s really quite simple. Cross-channel cannibalism is when a marketing campaign intended for attracting new business ends up costing the company existing sales.
The simplest example is an unnecessary coupon offering to an existing customer. Suzy spends $100 a month with you on shoes whether she needs them or not. It’s steady, predictable, reliable income. If you include Suzy in a coupon …