That primus can't be valid. The very idea that the technology you've been working on might not be patent'able just because you produced a video and put it on your web-site is illogical. What's one of the ways you document your work? (You video tape it.) What's one of the ways you keep investors informed? (You put video's on your web-site.) How can you prove something is really your work product? (You video tape it.) What would stop a competitor from making a video and then claiming you produced it in order to make your work nonpatent'able? There's to many variables that go against your primus to make it valid/applicable. At best you might be correct if you took away their intellectual property rights but that's not going to happen. (You'd find a boat load of attorney's wanting to represent xynh if that should happen.) But as far as the video; it does put a date on the technology they're experimenting with. (Just in case someone is tempted to try and hijack it.)