1. Statista (2023, July 28). Forecast Number of Mobile Users Worldwide from 2020 to 2025. Available online: https://www.statista.com/statistics/218984/number-of-global-mobile-users-since-2010/.
2. Statista (2023, July 28). Time Spent with Nonvoice Activities on Mobile Phones Every Day in the United States from 2019 to 2024. Available online: https://www.statista.com/statistics/1045353/mobile-device-daily-usage-time-in-the-us/.
3. Elite Content Marketer (2023, July 28). Average Screen Time Statistics for 2023. Available online: https://elitecontentmarketer.com/screen-time-statistics/.
4. Statista (2023, July 28). Revenue from Smartphone Sales in the United States from 2013 to 2027. Available online: https://www.statista.com/statistics/619821/smartphone-sales-revenue-in-the-us/.
5. Admiral Media (2023, December 16). Why 99,5 percent of Consumer Apps Fail (And How To Keep Yours Alive). Available online: https://admiral.media/why-consumer-apps-fail-and-how-to-keep-yours-alive/.