The blog post talks about the Scan and Skim feature of the Readima extension for Google Chrome, a tool that aims to help users read faster with improved comprehension. The feature highlights the first and last sentence of each paragraph, allowing the reader to quickly scan and identify main ideas and key points of a text. This feature is especially useful for longer pieces of text such as articles, research papers, and books, and it is closely related to reading techniques like meta-guiding and Serial Visual Presentation (RSVP). The extension is also customizable, allowing users to adjust settings to suit their personal reading preferences. In summary, the feature is a powerful tool that allows users to read more efficiently and retain more information