Android (operating system) of Android phones in use had known but unpatched security vulnerabilities due to lack of updates and support. Ron Amadeo of "Ars Technica" wrote also in August 2015 that "Android was originally designed, above all else, to be widely adopted. Google was starting from scratch with zero percent market share, so it was happy to give up control and give everyone a seat at the table in exchange for adoption. [...] Now, though, Android has around 75–80 percent of the worldwide smartphone market—making it not just the world's most popular mobile operating system but arguably the most popular operating system,
Relative market share Relative market share Relative market share indexes a firm’s or a brand’s market share against that of its leading competitor. Market concentration, a related metric, measures the degree to which a comparatively small number of firms accounts for a large proportion of the market. These metrics are useful in comparing a firm’s or a brand’s relative position across different markets and in evaluating the type and degree of competition in those markets. The purpose of the “relative market share metric” is to access a firm’s or a brand’s success and its position in the market. A firm with a market