Learneo is pioneering a platform of productivity and learning businesses. The platform of businesses includes Cliffsnotes, the original and iconic study guide company; Course Hero, an online learning platform of academic resources; LitCharts, a creator of literature resources; QuillBot, an AI-powered writing companion helping anyone improve their writing skills; Scribbr, a multilingual academic proofreading service, and SymboLab, an AI-based mathematics resource.