take a look at the companies that have made it into the “Billion Users Club.” Apple has 1.6B iOS devices, while Google has 3B. Facebook has 2.85B users across their social network and messaging apps. Microsoft has over 1.5B devices running Windows, and another 1B running Office. In the Chinese technology ecosystem, the companies behind WeChat, TikTok, and AliPay all enjoy ecosystems numbering a billion users each.
