Crafting a strong Amazon product detail page requires skills and resources beyond the capabilities of most marketing departments. While brands need someone on the inside who understands the product attributes and value, the heavy lifting—from product selection to SEO to pricing strategies—is often done hand in hand with agencies. eMarketer’s Patricia Orsini spoke with four Amazon-focused agency executives about why many brands need outside help to understand the nuances of the Amazon product detail page, and the challenges their agencies help them solve.