"In the online world you don't need to fill buildings or lecture theatres with people and you don't need to be trapped into a lecture timetable," says Peter Scott, director of the Open University's Knowledge Media Institute.The Open University, the UK's open access university, which allows people to study from home in their own time, has been an international pioneer of degree courses online. The university, with more than 263,000 students in 23 countries, has become a record breaker on the iTunes U service, which provides a digital library of materials for university students and staff. > But it's not...