First it was rumored that the Samsung Galaxy S IV would be announced at CES--- Not!
It all came about due to interpretations of teaser video. The all it says is get ready for something new January 8-11, 2013. The video then was interpreted later to mean that Samsung would launch new TVs at CES.
Here's where it gets really perverse there was a "rumor" that the Samsung Galaxy S IV would have a flexible unbreakable display, which was refuted by the Verge's "unamed source." Rather than unbreakable the screen will be HD with 1920x1080 HD display like the Droid DNA. The Samsung Galaxy S IV won't even be announced at Mobile World Congress but at its own events.