You all fail to realize that Countdown is already getting more airplay than End of Time. While Countdown is gaining every day, End of Time is falling every day. I think Countdown is a good single choice. And if you think this will flop like RTW you're just dumb. RTW was leaked a month before its official release date and that hideous demo was being played on the radio before the official one was released. And when the final version was released there was no promo and radio played it in the beginning but there was no hype and no promo. And people didn't like it. This is a different story because Countdown has received amazing reviews. Every critic has given that song props and the good thing is that Beyoncé has time to promote it and the music video is being shot. Don't talk crap if you don't know half the story.