You can email video content as an attachment from outside of gmail to a gmail address, and gmail will compress the video. I don’t know why, but I’ve had it happ

You can email video content as an attachment from outside of gmail to a gmail address, and gmail will compress the video. I don’t know why, but I’ve had it happen to me multiple times. I send around S3 links because even Dropbox messes with your content (though not the downloadable file) when you share a link.