The document describes how adding a simple question to an online order form increased profits by 267% overnight. It explains that by asking customers what product they were most likely to purchase in the next 3 months and offering a 10% discount for answering, the business was able to build a targeted customer database. Two months later, special offers were sent to customers in the database for the specific products they had expressed interest in, resulting in an 80% response rate and huge sales increase. The strategy allows businesses to boost profits significantly with just one simple question.