(Reuters) - Facebook Inc is rolling out a new publishing platform in the coming months in the United States that lets independent writers and journalists reach new audiences and monetize their work through email newsletters and individual websites. More writers and journalists are lately getting on the email newsletter bandwagon preferring the editorial freedom intrinsic to the medium, which also allows them to move away from ad-reliant business models that have been on a steady decline. Competition is heating up in the space between firms like Substack, Medium, and Twitter's recently acquired Revue, which lets content creators try out a mix of paid and free email newsletters to reach potential readers