It sounds like you are uploading quite the quality video! Sorry that you had difficulties with the upload (this may be due to file size). To complete your feedback:
1. Send your video file using https://wetransfer.com. When using WeTransfer, after agreeing to their terms of use and uploading the file, select the circle with the three dots in it and email the file directly to: support@highlighters.
2. Upload a screenshot of this WeTransfer video submission in lieu of your video file to the "Browse" field of the Video survey question