We've reach the "endless September". How can something that has been on the front page all day, and is still there, keep getting resubmitted.
Read the front page for 20 minutes before submitting.
Read the front page for 20 minutes before submitting.
Typically I've had good luck with not being able to post duplicates (i.e., it'll just upvote the existing post). I assure you that I in no way intended to pollute the new stream and that whenever possible I read everything on the front page.
Please accept my humble apology.