Feed is a great place to discuss ideas. You can convert Feed post to a task by clicking More > Create task. The contents of the post will be automatically inserted into the newly created task.

The task editor will open in slider. Specify the responsible person and other additional options if necessary. Then click Add task.

After the task has been created, an automated comment will appear below Feed post, informing all involved users that the task has been added. Also, you can click the View button at the top right corner to view the created task:

Also, you can convert a comment to create a task the same way.