A Google+ insert refers to the process of adding a link, image, or other content from Google+ into a post or message on another platform. This allows users to share their Google+ content with a wider audience and increase engagement. It can also refer to the feature on Google+ that allows users to insert media, such as photos or videos, directly into their posts. This feature makes it easier for users to create visually appealing and interactive posts on the platform. Overall, a Google+ insert is a versatile tool for connecting and sharing content across various social media platforms.