Facebook treats our Whatsapp message content just like it's feed. Here is what happened few weeks ago : I exchanged whatsapp messages with a well known founder

Facebook treats our Whatsapp message content just like it's feed. Here is what happened few weeks ago : I exchanged whatsapp messages with a well known founder. Lo and behold - news about him and his startup are all over my facebook feed. Some which was published years ago. We live in echo chambers.