Online learning has transformed access to education in ways that were inconceivable two decades ago, enabling people across every geography and life circumstance to develop skills and pursue qualifications that physical attendance would have made impossible. Its advantages are genuine, though its limitations are equally real. The primary advantage of online learning is accessibility. A working parent, a rural resident, a professional seeking to upskill without interrupting their career, or a person with a disability that makes physical attendance difficult can all access high-quality educational content from any location with internet connectivity, at any time that fits their schedule. This flexibility removes barriers that previously excluded large populations from ongoing education, democratising access to knowledge and qualification in genuinely transformative ways. The cost of online courses is typically lower than equivalent in-person programmes, making continuing education financially accessible to those who could not afford residential study. For self-directed, motivated learners in theoretical or knowledge-based subjects — coding, language learning, business skills, academic content — online platforms can deliver equivalent or superior learning outcomes to traditional classroom instruction. However, online learning has limitations that become significant in specific contexts. Self-discipline is a prerequisite that many learners underestimate: without the external structure of timed classes and peer presence, course completion rates for online programmes are substantially lower than for equivalent in-person study. The social dimension of learning — discussion, debate, collaborative problem-solving, and the mentorship relationships that develop naturally in physical educational settings — is difficult to replicate through screens alone. Most critically, disciplines requiring hands-on practical training — medicine, dentistry, engineering, culinary arts, construction trades — cannot be adequately taught through online methods alone, regardless of platform quality. For these fields, blended learning models that combine online theoretical content with in-person practical sessions represent the most effective balance between flexibility and depth.