Facebook News Feed changes again: Now it's all about time spent reading

Facebook revealed on Friday that it has tweaked the stream of information you get on the service once again — this time to factor in the amount of time you spend looking at a post

Previously, how high or low a post showed up in your News Feed — or if it showed up at all — depended on how much your Facebook friends liked, commented on, or shared it. But no longer.

"It’s not as simple as just measuring the number of seconds you spend on each story," wrote Facebook software engineer Ansha Yu in a company blog post Friday. "Some people may spend 10 seconds on a story because they really enjoy it, while others may spend 10 seconds on a story because they have a slow Internet connection." Read more...