Content that works everywhere — a history + future of rich text formats | Algolia

This article delves into three historical attempts at creating cross-platform, fully-featured rich text formats - XML, Markdown, and JSON - and three modern takes on the problem - Notion, ExtraMark, and Sanity's Structured Content. The author discusses the pros and cons of each format, highlighting their flexibility or limitations in representing various types of content. They also provide insights into how these formats have evolved over time and how they are being used today. The article concludes by recommending ExtraMark for Markdown-based projects and Portable Text for everything else.