Ever wondered how Facebook determines what you see in your news feed every time you log in? The social networking site has actually devised different algorithms for it. Apart from things like where you live and the pages you follow, it primarily looks for two broader signals — Topics that are being mentioned a lot and topics that suddenly seen an increase in mentions. Also Read - Facebook smartwatch to feature cameras alongside fitness functions: Yes, detachable cameras!
For example, singer Justin Bieber is mentioned often on Facebook. So the total volume of mentions is always high and is not a good indicator of whether or not he is part of a trending topic. So, Facebook would look for a hike in mentions relative to the normal prattle around Bieber. Also Read - What happens to your Facebook account after you die?
“This means that things that trend are not just the most highly mentioned people or topics, they have to be tied to some kind of relevant event,” the report said. Also Read - WhatsApp Multi-device support confirmed, public beta rollout begins in two months: Mark Zuckerberg
Once a topic is identified as trending, it is approved by a human controller, who also writes a short description for the story. These people don’t get to pick what Facebook adds to the trending section. “That’s done automatically by the algorithm. They just get to pick the headline,” the report added.