Neither is true and the difference snows makes is so extreme that it quickly becomes obvious that switching tires is the single best thing you can do for winter safety.
"They can keep switching tests from now until doomsday and it's not going to make a difference, " said James Borland, a professor at Teachers College at Columbia University.
Switching to software rendering mode in the editing program shows a night-and-day difference: video playback is extremely choppy, and processing moves at a crawl.
You could easily see the difference between 1080p and 720p when sitting six meters away from the screen: switching from one to the other was a bit like taking a foggy pane of glass off the image.