How much scratch resistant is it?
I was told its not possible for it to get scratches even if we slide the phone upside down on the road, but I find it hard to believe. And since my phone is still very new I can’t perform any tests on it 
Re: Gorilla glass
Compared to other glasses it is. Its made by Corning, who Jobs went and encouraged to get it going. There’s a Youtube video about their new glass and what its destined to do. Check it out: