Usage share of operating systems the similar correlation for the richest countries and that poorer countries choose Apple's iPhone in lesser numbers. Data from Google however suggests that people in poorer countries are more likely to buy apps on Android. Smartphone penetration vs. desktop use, differs substantially by country. While some countries like Russia still measure desktop use high, there at 77% (and smartphones at 19%) this ranges down to a bit under 5% in Mali where Android smartphones have just over 95% share. In most western countries, smartphone use is close to, but still under 50%. Section below has more info on regional trends
Market share adjustments. Firms with market shares below a certain level may not be viable. Similarly, within a firm’s product line, market share trends for individual products are considered early indicators of future opportunities or problems." Research has also shown that market share is a desired asset among competing firms. Experts, however, discourage making market share an objective and criterion upon which to base economic policies. The aforementioned usage of market share as a basis for gauging the performance of competing firms has fostered a system in which firms make decisions with regard to their operation with careful consideration of the impact