I noticed a few problems with uploading videos. I still do not have a working video uploaded correctly yet. One of my videos shows up, but says there is an error.
The second video that I uploaded had a working link for just a very short time.
This is a link to my blog about this problem.

https://busy.org/@wheresthemapinfo/stepping-into-a-steemit-account-testing-one-of-the-many-ways-the-blockchain-is-being-used