Samsung Mobile Korea just unleashed three teaser videos for the Samsung Galaxy S9 and Galaxy S9+. They are short (15 seconds each), but contain less than subtle hints about the key features of the upcoming flagships. The first video is all about speed. But pay attention to the end of the video - the second the "9" appears, time slows down to a crawl. That's clearly a reference to a slow-motion camera. The second video is shot in the dark. That is until the "9" appears and the image brightens up considerably. Samsung has been pushing low-light performance for several generations, but...
Source: https://www.gsmarena.com/official_galaxy_s9_promo_videos_tease_slowmo_camera_3d_emojis-news-29622.php