https://www.cnet.com/news/zuckerberg-punts-on-concept-of-a-subscription-facebook/

Facebook will always be free -- for now, according to Mark Zuckerberg. 

At a Senate hearing on Tuesday, Facebook's CEO answered a series of questions from lawmakers on Capitol Hill, including concerns on a subscription-based model of Facebook. The rumors of paying for Facebook started after Facebook's COO Sheryl Sandberg suggested that users would have to pay if the social network did not have data-targeted ads.