9to5Google caught a glimpse of how the AI chatbot will work in the newest beta version of the Messages app several months after initial hints of its existence in the app were spotted.
https://9to5google.com/2024/01/18/google-messages-bard/
It looks like you'll be able to start RCS chats with Bard in Messages straight from the "New conversation" screen. It's not your usual chat; instead, it's a standalone one with the Bard logo and name up top, as if you're chatting with a virtual "penpal,"
Unlike your typical RCS chats, Bard chats aren't protected with end-to-end encryption. Google says these conversations are used to improve its services, especially the brainpower behind Bard. This means trained reviewers might take a peek into your conversations.
So, if you don't want a reviewer to see your chats, steer clear of sending any confidential or sensitive messages to Bard. The data that gets reviewed is separated from your account and remains in place for a maximum of three years