Highlighter

Highlighter is a Seattle-based web platform that enables users to highlight, comment on, and share content across the web. Founded around 2010, the platform allows users to annotate web content, curate highlighted passages, and share commentary with others. The platform features sections for newest content, top highlights, highlighted passages, and curations, positioning itself as a social reading and annotation tool for the web. The company appears to be a small, early-stage startup that has remained in niche operation.