As a basis for evaluating markets, we use market data from independent databases and third-party sources, current trends, and reported performance indicators of top market players. Modeling approach:Market sizes are determined through a bottom-up approach, building on a specific rationale for each market segment. Figures are based on revenue from in-app purchases, revenue from the purchase of apps, and revenue from advertising, as well as the number of downloads for each app category. Data coverage:The data encompasses B2C enterprises.