Hyper Text Markup Language
It's text, but hyper than text. Allow images, audios, videos and other to be embedded with markups.
HTML describes the structure of a website semantically along with cues for presentation, making it a markup language, rather than a programming language.
Cascading Style Sheets
Use it to decorate the HTML, give it a new look!
CSS is a style sheet language used for describing the presentation of a document written in a markup language
The programming language running in the browser (but not only in browser). Make all magic happend!
GitHub is a Web-based Git repository hosting service. It offers all of the distributed revision control and source code management (SCM) functionality of Git as well as adding its own features.
Facebook is an online social networking service headquartered in Menlo Park, California. Its website was launched on February 4, 2004, by Mark Zuckerberg with his Harvard College roommates and fellow students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes.
Electronic mail, most commonly referred to as email or e-mail since around 1993, is a method of exchanging digital messages from an author to one or more recipients. Email operates across the Internet or other computer networks.