Services available on the Internet

https://www.tutorialspoint.com/internet_technologies/internet_services.htm

https://www.slideshare.net/sahilnagpal79025/services-provided-by-the-internet-46923539

https://ourtechroom.com/tech/basic-services-of-internet-that-you-must-know-it/

https://www.quora.com/What-are-the-services-provided-by-the-internet