This lecture introduces the broad concept of entrepreneurship as the activity of setting up businesses, taking financial risks for profit. It explores different shades of entrepreneurship, from subsistence to deep tech startups. The lecture delves into the global landscape of entrepreneurship, highlighting countries with high concentrations of entrepreneurs and the most valuable startups worldwide. It discusses the role of technology as a key driver of entrepreneurship, showcasing successful tech companies. Additionally, it covers the importance of entrepreneurial clusters, the entrepreneurial mindset, and the process of identifying and evaluating business opportunities.