Talk is the Сonfluence add-on that enables you to insert inline comments and add embedded discussions anywhere on Confluence pages. All comments can be edited or deleted, and with wiki markup you can format text of your comments.
Comments build up discussions that can be completely removed from pages once the discussed issue is solved. You can also archive and restore archived discussions.
The mentions feature helps you get your colleagues involved in discussing by sending them a notification. Moreover, Talk keeps your team posted with email and workbox notifications about new comments and resolved discussions.