In South Korea, 95% of adults own a smartphone.Įmerging economies are catching up. These devices are approaching ubiquity in advanced economies, among which median penetration levels stand at 76% of adults. Some of the most popular apps in the world, such as Facebook and YouTube, have more users than China has people.
It is estimated that there are over six billion smartphone users worldwide, and about five billion of those have access to the internet. The market for these apps is about as big as they come.
