I scratched the front screen of my Nexus 4.

Well, my title says it all. After all the scratch tests that I've seen prior to buying my Nexus 4, I managed to scratch the glass by placing it in my bag that has a dedicated pocket for mobile phones. The scratch is about an inch long and can barely be felt but is quite visible when viewing pages with lighter backgrounds. And no, I didn't have any sand on my bag pocket, or any other sharp objects anywhere near it. The only other thing in the pocket was a small piece of lint from who knows where.

Anyone else here who has managed to scratch the front screen of their Nexus 4?

Interestingly, the back of my phone is absolutely scratch free.