Samsung has released a new video introducing some software developers to the world. However, the company has apparently overlooked the fact that one developer may have had the Galaxy Z Fold 3 and the Galaxy Watch 4 in shot, which are both still unreleased products.
https://www.notebookcheck.net/Samsung-appears-to-show-off-the-Galaxy-Z-Fold-3-and-Galaxy-Watch-4-Classic-in-a-new-promotional-video.551058.0.html