If enough users mark a comment as spam by clicking the "Spam" link next to the comment in question, it becomes hidden under a "Marked as Spam" link. Hope this clarifies!
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
If enough users mark a comment as spam by clicking the "Spam" link next to the comment in question, it becomes hidden under a "Marked as Spam" link. Hope this clarifies!