How to make facebook page viral ?

Hi Friends

I am newbie in BHW. I have fanpage on facebook. I am desperately need members for page.

I have seen some of fanpage which grows very fast like millions of fans in just 1-2 months. I know without using trick or anything none can get millions of friends in such short time. So can anyone tell me how's that possible ? How to make page viral?


Thanks.!