Einstein Activity Capture has a new feature where it provides new email insights for the conversation between the Sales Rep and the customer. It will now automatically give you insights on how the conversation is happening. For example: as seen in the screenshot below, the customer is explicitly mentioning that he/she is not interested. The insight will pick up signals from the conversation and point it out.

It is a very important feature as it has the potential to grow to a very crucial part of the Einstein Activity Capture functionality.