This plugin will enable posting comments on activity stream items, similar to Facebook. By default, comments are limited to 150 characters.
Only logged in users can leave comments on activities and delete that comments. Also, if user is “owner” of the activity stream he/she will be able to delete all unwanted comments on that activity no matter who posted a comment. Admins can delete any comments.
BuddyPress – Activity comments plugin
Sep/0910
This plugin will enable posting comments on activity stream items, similar to Facebook. By default, comments are limited to 150 characters.
Only logged in users can leave comments on activities and delete that comments. Also, if user is “owner” of the activity stream he/she will be able to delete all unwanted comments on that activity no matter who posted a comment. Admins can delete any comments.