WordPress can be used for serious projects that can go big scale, here are some extremely popular brands that are using WordPress.

1. Ebay

Ebay

Ebay manages their official blog using WordPress. They have it custom designed to make it look flashy. Even though it doesn’t look like WordPress, it is WordPress.

2. Yahoo

Yahoo

Yahoo is also using WordPress to power multiple blogs that they own. This one is just one example.

3. Digg Blog

Digg

Popular Social Media site Digg is using WordPress to power their corporate blog.

4. Ford

Ford

The automotive giant Ford is also using WordPress to power their blog.

5. Wall Street Journal

Wall Street Journal

6. Sony

Sony

7. People Magazine

People's Magazine

8. Samsung

Samsung

9. Playstation

Playstation

10. NYTimes Blogs

NYTimes

11. Wired

Wired

12. Mozilla Firefox

Firefox

13. Giga OM

Giga Om

14. CNN

CNN

15. Network Solutions

Network Solutions

Network Solutions Use WordPress as a CMS on their website.

16. Flickr

Flickr

17. Download.com

Download

18. Ben & Jerry

Ben Jerrys

19. cPanel

cPanel

20. General Electronic (GE)

General Electronics

21. Rackspace

Rackspace

There is a reason why these big brands are using WordPress and that is because WordPress Rocks. These brands give you another reason why you should be using WordPress.