What is trending in Facebook?
What exactly is Trending on Facebook?
What is trending on Quora right now? Why is Facebook advertised? Is Facebook still popular? Why does Facebook popular? Why is Facebook so popular? Why is Facebook still so popular? When will Facebook stop being the most popular? Why is Facebook so popular? Is it profitable to users? Why is Facebook more popular than Twitter? Is Facebook dying in popularity? How does a topic trend on Twitter? How was Facebook developed and why is it so popular today? Will Facebook stop being that popular in the future? What is the market structure of Facebook? What does Facebook timeline mean for brands? Can the same term trend twice on Twitter? Do hashtags help get a topic trending on Twitter? Why do people use Facebook so often? How does Quora define trending topics? Why is Quora becoming like Facebook? How can we trend a topic on Twitter? What is Facebook really about? What are some unique characteristics makes "Facebook" as Successful? How does spam like "free Facebook t-shirt" spread on Facebook ? What are the technical details? Is Quora becoming very much like Facebook? Is Quora becoming more or less like Facebook? Is Facebook a spam? Why is Facebook so successful? Why is Facebook successful? What is Facebook really?