what should i use to make my own website like facebook ?

[Siddhant Khanna]

what did mark zuckenberg use to make facebook

[Vikki77]

A brain

[Ask]

you can use HTML on your site
and also Javascript

that i know thanks

[Sourav]

Developing a popular social networking site like Facebook takes marketing savvy and a few computer skills. Social networking sites provide an easy way for people to keep in touch. Forums and blogs allow users to make announcements. Create a group that is specific (your school or your family) or all inclusive, allowing anyone to join (Facebook or MiGente). Design your site about anything you want. Building a free subdomain site and steadily growing and marketing your membership offers the most economical way to create a popular one.
Difficulty: Easy
Instructions
1

Go to a free social networking host site such as Zonkk.com, Ipernity.com or Sixgroups.com and create a name for your site. In Zonkk.com, type it in the blank box under the "Name Your Social Network" button.
2

Create a web address for your social network using letters only (i.e. rememberme). Type your web address in the box under the "Pick a Web Address" button. After your web address, the extension, zonkk.com appears, meaning your social network is a subdomain. This represents the easiest and most economical way to start your network and test what features work best for your networkers.

Click the "Create" button. This takes you to a free sign-up page to enter your personal information including your user name and e-mail. Read the terms and click on the "I Agree to the Terms" button.
3

Add applications to customize your network. Allow users to comment or write blogs on your network. In Zonkk.com, click on "Applications" for a list of different applications. Click the "Enable" button alongside "Blogs." The message saying "Plugin blog has become enabled" means members on your network can add comments or blogs.
4

Click "Enable" on the "Applications" list alongside the video application. Next, click on "Video Settings" on the list of commands on the left side of the page. Under "Background Color for Player," enter the hex value of color. For example, for white, enter FFFFFF. Next, enter the foreground color, then click "Save Settings." This feature allows users to put up videos.
5

Click on "Applications" in the column on the left side of the page. Click on the "Enable" button alongside "Gifts." The message "Plugin gifts has become enabled" allows users to exchange virtual gifts. Continue customizing your site with other listed applications you want to add.
6

Bring in networkers. Invite friends from other sites. If you design your site specifically around a hobby or sport, find other sport or hobby forums and invite other enthusiasts. Build your site day by day by visiting other popular social sites and introducing your own.
7

Branch out to your own domain. After building a successful network of followers, Tharon Howard, author of "Design to Thrive," recommends taking the same interface you created with your subdomain and creating your own domain and linking it to your subdomain to make the transition seamless.

[Cazmere]

You need to get your own domain. Add some html,scripts.certificates. BAM! You got yourself a SocialNetwork

[AKHIL]

Ask Mark , that's the best option