Going beyond Kirzner’s concept of alertness, Andrew C . Corbett and Jeffery S. MaMullen introduce the pracyice of “mindfulness” to the opportunity recognition discussion.Unlike alertness, mindfulness can be learned, and they provide some tools to help you pick it up. For more on this concept and to see a questionnaire that can help you measure your levels of mindfulness in everyday experiences, see their chapter called “Perceiving and Shaping New Venture Opportunitise Through Mindful Practice” in Andrew Zacharakis and Stephen Sinelli