might have worn his +Google Glass
in the shower, but I'd recommend keeping them away from water. I've seen a number of reports of what happened to me, shown below, happening to other people when Glass was in high humidity or wet environments.
In my case, I'd been sailing with Glass on my kayak. They never went in the water, but there was a lot of spray. Moisture, in some units, seems to cause a reflective film at the end of the display prism to start coming away. And don't touch it, or you get a scratch in the film like I did!
The good news is that the Glass support people quickly worked to get mine replaced. In fact, I can't say enough good things about the Glass support staff, who also talked me through a failure to boot problem when Glass depleted its battery. They're fantastic.
As for me, I won't use them when sailing again, which makes me sad -- they're ideal for that sport. I continue to use them when paddleboarding, as I'm higher off the water, so the exposure to possible moisture is less. Assuming, of course, I don't go in (knock wood). But I'm pretty stable on the paddleboard, and they're super-useful for that. I can snap shots of the harbor, share pictures, send and get texts from home.