Using PR can be an effective tool for Amazon businesses that want to launch new products and increase sales through promotions. By carefully timing press releases and securing media coverage, PR can generate excitement and increase visibility, creating a sense of urgency that can drive sales. Additionally, optimizing product listings with better language, visuals, and keywords can improve conversions and search rankings, while partnering with a PR agency with clear objectives and regular communication can help ensure a successful campaign with long-lasting effects.