You can send PDF files in Facebook Messenger. But you will need to send it from Google Docs or Google Drive app on iPhone or Android. To send a PDF file using Facebook Messenger, make sure you have ...

The Facebook Messenger update means only the sender and recipient can read or listen to messages and calls. Users can choose to back up messages with a six-digit PIN, or store a virtual key in their ...

Facebook now has a messaging app for kids - its first product aimed at young children. The move gives Facebook a way to court younger users, with their parents' permission.