By paid like we can increase facebook likes.

I just bought 20,000 fan page likes, but it decreases gradually!

By making good pages.

share your pages as much as you can

In my opinion, ppc on facebook is best option.

Sharing pages with all your friends.

Email invitation is the best way to improve your facebook page likes. I am working on it and simply getting the best from it.

Add friends as much as you can.

Making good page, posting good information help to get more facebook likes.

Post excellent picture, videos, information .

Classified Posting
Reciprocal Links
Blogging

Blog commenting
Video Syndication

Always post quality and unique content on Facebook, try to post generic content which make interest to mass audience.

Best way to improve facebook like are
Share you facebook page
Upgrade it everyday.

Use tv media to increase you likes.