Business newsletters are great tools that businesses use to communicate effectively to their loyal customers and attract new ones. Online retailers use their newsletters as part of their marketing campaign to inform their customers of their new products and services as well as news about upcoming sales and discount offers on popular products such as clothes, electronic gadgets and musical instruments including guitars and Pearl electronic drums. They also make use of newsletters to encourage their customers to provide feedback that will allow them acquire the information they need to improve their products and services.