Facebook Concept: and Why cant any more Programmer design a Facebook-like Website

going through my News feeds, i stumbled on an interesting Question demanding why cant any good Programmer Design a website like Facebook.
i laughed at the Question and i was like -- do you truly know what Facebook 13 years ago was? and what Facebook currently is?.
i will explain some little concept to brighten up your mind.

I am going to describe a single event at Facebook, “Like & Share.” This is very simple functionality, whenever you see a beautiful chick you like her pic and share.

Let’s go technical here,

Design:

1. Design a thumb for a “Like” and also design a share button.
2. Every post should have like and share button in the bottom.
3. Whenever someone likes or share, notification should go to the owner of the post.
4. Whenever someone likes, the post should boost up to the all friend circle who follows you.
5. There should be a counter for number of likes and share.
6. Whoever likes and share, save that information.
7. Privacy setting should also be there, if someone doesn’t want likes from unknown, hide it.
8. If someone clicks “Like”, they shouldn’t like it more than once. But if they want to share they can share multiple times.
9. If someone clicks “Like”, turn that button into “Unlike”.
10. There should also a like button on comments but there shouldn’t be any share button.

Now, this is just a high level design of simple functionality of “Like and Share”, which may not cover all the test cases which is presently live at Facebook.

If I will go for a coding side only for “Like and Share” Then this post will become the longest post on this forum.

Now Let’s see interesting facts:

1. There are approx 42 functionalities/features at Facebook like connecting with friends to Live Streaming. Not to forget image detection algorithm to tag a friend.
2. What you see in today’s Facebook is not created in one day but an evolution of 13 years of continuous coding.
3. “The Facebook” which was created by Mark Zukerberg is not running from a dorm anymore.
4. Today it has 18,770 Employees (As of March, 2017), just to manage single website.
5. When Facebook was created it has one server at Mark’s dorm and It had 30,000 Servers in 2008 in just 4 years from its inception. It is very difficult to maintain one server, and when it comes to maintain these many servers, buddy the cost is beyond your imagination.
6. It’s security is invincible that world’s renowned and well known Hacker Group “Anonymous” tried to hack it. They failed miserably. Same group who is responsible for many hacking and leaking an information.
7. Facebook stores approximately 300 PETABYTES of user data on its servers. There are 1 million gigabytes in a petabyte. The entire written works of humankind, in every known language (including Latin and other historical languages) from the dawn of recorded history, would occupy approximately 50 petabytes. Think about that for a minute. Can you handle the cost of these much storage devices?

May be you can create a website which can handle interaction of hundreds or thousands of users, but to handle billion users, you need resources. I mean lots of resources.

Don’t forget Facebook is not just another website but a billion dollar company. And it will never want any competitor in the market, whatever you develop to compete them either it will be bought by them (if it is worth like whatsapp) or will give strong competition to destroy your market.

Finally: No Programmer in the world can create a website like Facebook single handedly, which is a creation of approx 20,000 bright programmers in a result of 13 years. Even Mighty Google tried it with Google+. Facebook is now beyond to any programmer’s reach economically and mentally.

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