A quick overview on market sizing tech in Africa. Startups should realize there are many ways to measure market sizes and they should not overly rely on top level macro economic data such as GDP figures and Africa generalizations. They should focus on emerging segments such as the middle class and watch important trends such as connectivity, urbanization and the role of women in tech when looking for opportunities. Go-to-market strategies, segmentation whilst relying on validating demand in the spirit of the lean startup approach are the important in convinging yourself and investors of the potential of the market. Always Be Learning.