And that is probably why B&N registered a couple URLs back in February. I didn't think anything of it at the time, but it looks like B&N might have been planning to use the new URLs as the product names.
I don't think it's a coincidence that 2 months those sites were registered B&N released a new device called "Nook Simple Touch with GlowLight Technology". That's just too improbable, so clearly B&N considered calling the new device the Nook Glow. I'm glad they didn't; I predicted they would not and it would have been embarrassing if I'd been wrong.
On the other hand, Nook Glow is less of a mouthful than "Nook Simple Touch with GlowLight Technology". It's also easier to say than "the all new Nook Simple Touch", which is technically what this year old eReader is named.