1. Tennant, B., et al.: eHealth literacy and Web 2.0 health information seeking behaviors among baby boomers and older adults. J. Med. Internet Res. 17, 1–12 (2015)
2. International Telecommunication Union: Statistics. https://www.itu.int/en/ITU-D/Statistics/Pages/stat/default.aspx
3. Statista: Number of internet users worldwide from 2009 to 2021, by region. https://www.statista.com/statistics/265147/number-of-worldwide-internet-users-by-region/
4. Statista: Number of internet users in selected countries in Africa as of January 2022, by country. https://www.statista.com/statistics/505883/number-of-internet-users-in-african-countries/
5. Statistics South Africa: General Household Survey (2021)