Idea:

Facebook as a central hub and major sharing social network site:

-News are watched on facebook.
-Everything is uploaded on facebook first hand.
-How business relate their corporation to facebook to get closer to the customers.

Does all this question answer to "how facebook made cultural implications of their popularity.

Define cultural implications:

definition of implication:

1. The act of implicating or the condition of being implicated.

2. The act of implying or the condition of being implied.

3. Something that is implied, especially:

a. An indirect indication; a suggestion.

b. An implied meaning; implicit significance.

From: http://www.thefreedictionary.com/Implications

So? connection/implication that culture has on the topic (how will culture be affected by your topic or how will culture affect your topic)
How Facebook, with their popularity, made a difference in culture.