The title is "Facebook has 3 billion users. Many of them are old." 3B, not 3M. However 3M turned the title into a clickbait for me. I probably wouldn't have c

The title is "Facebook has 3 billion users. Many of them are old." 3B, not 3M. However 3M turned the title into a clickbait for me. I probably wouldn't have clicked the correct title.