I thought this 10 minute video to be extremely well-done, neutral, and informative - had no idea the technology being used was so antediluvian.

If you're interested in learning where a Form 4473 goes once your purchase is approved, it's on its way to to the "Firearms Tracing Division" in Martinsburg, West Virginia...

https://www.theatlantic.com/video/in...cing-division/