Which technique is the most effective as an attention-getter for an opening paragraph of a sales letter?

Question

Quizplus · Accepted Answer

A startling statement can grab the reader's attention quickly and create interest in the product or service being offered. It is important to choose a statement that is relevant to the target audience and highlights a unique benefit of the product. Personal anecdotes, bulleted lists, and numbered instructions can be effective in certain situations, but may not be as attention-grabbing as a surprising or provocative statement.

Which Technique Is the Most Effective as an Attention-Getter for an Opening