Messenger users can send each other end-to-end encrypted messages through an optional mode called "Secret Conversations", which uses the Signal Protocol.Users can also choose to send each other "self-destructing" messages; messages that are removed permanently following an optional time period.Here’s how to use the QR codes to make finding apps easier.
Additionally, users are able to capture screenshots, and live filters can change the color or lighting in the feed.
At the Facebook F8 conference on March 25, 2015, Facebook announced that Messenger would start letting users interact with businesses, including track purchases and receive notifications, and have personal conversations with company customer service representatives.
Complementing regular conversations, Messenger lets users make voice calls and video calls both in one-to-one interactions and in group conversations.
Its Android app has integrated support for SMS and "Chat Heads", which are round profile photo icons appearing on-screen regardless of what app is open, In March 2015, Facebook announced that it would start letting businesses and users interact through Messenger with features such as tracking purchases and receiving notifications, and interacting with customer service representatives.
After the app is installed, launch Barcode Scanner and you’ll see a red line across the screen.
Move the phone forward to make the viewfinder zoom in on the QR code.
Additionally, Facebook expanded the use of bots, incorporating group chatbots into Messenger as "Chat Extensions", adding a "Discover" tab for finding bots, and enabling special, branded QR codes that, when scanned, take the user to a specific bot.
In June 2017, Facebook updated video chats to give users the ability to add animated versions of Facebook's reactions on top of their face, such as tears for a crying face and an exploding halo of hearts around the head when sending heart emoji.
After being separated from the main Facebook app, Messenger had 600 million users in April 2015, growing to 900 million in June 2016, 1 billion in July 2016, and 1.2 billion in April 2017.