If you really wan't to get quality Fb page likes you don't have to worry about it till 500 likes you have to do hard work like sharing your page with your friends and ask your friends to invite their friends and most important thing is that continuously post good content into your page... you may read it at howtoans.com
once i read an article on
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how wondered it me i can't tell you and today i read your question i felled very sad that every one is also now in the search on these type of questions....

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