The videos which are made to show promise of a future due to investments in advanced R&D today.

These (concept) videos are made usually for client, exec presentations, or for trade shows etc. Ex. a healthcare company makes a video of 'Hospitals 2050' where they show sci-fi environment with nurse robots, transparent monitors etc. and how they still would be a leading player then because they are investing in some 'xyz advance med-tech' today.