Paul McElvaney discusses the benefits of e-learning over traditional classroom learning, including reduced costs, increased access to more learners, flexibility, consistent messaging, and improved responsiveness. Some examples are provided where e-learning helped organizations like Rotherham train 1,500 social workers in 6 weeks and Plymouth save over £1 million by training thousands in information governance. Lessons learned include focusing on content over form, building in early evaluation to measure impact, considering hidden costs, and ensuring accessibility is not a barrier.