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,
Usage share of operating systems Online usage of Linux kernel derivatives (Google systems + GNU/Linux) exceeds that of Windows. This has been true since some time between January and April 2016, according to W3Counter and StatCounter. But even before that, the figure for all Unix-like OSes, including those from Apple, was higher than that for Windows. Windows is still the dominant desktop OS, but the dominance varies by regions, has gradually lost market share to other desktop operating systems (not just to mobile) with the slide very noticeable in the US, where macOS has more than tripled, from yearly 2009 to 2017, with Windows there