This document discusses Geoff Riley's online education company Tutor2u. It shares that Tutor2u materials are used by 3,500 schools in the UK and 85 other countries. It receives 110,000 blog page views daily and has a global Alexa ranking of 24,847. The document also discusses that teachers prefer using a mix of apps for their work rather than being locked into expensive proprietary software. It promotes using free and open source tools like Google Docs for real-time collaborative work between students and teachers.