What is your favorite tool to discover Facebook's most viral posts?

by gcarts
2 replies
Dear blogguers and webmasters.
A few days ago I saw a group on Facebook people praising the site postonfire, people said that this was the cheapest and most practical service they knew, and I'm thinking of getting the Professional version.
What is your opinion? Have you tried this one or the other?
#discover #facebook #favorite #posts #tool #viral
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