I've got gappy enough cleavage in the bra I'm wearing right now that I could carry keys in there comfortably, but I rarely need to carry keys when I'm not carrying a purse anyway. So, no actual experience with that. I have on occasion tried tucking a phone in, but that is neither comfortable nor secure.

My boobs don't squish together enough, even in a bra. My phone would probably fall right out.

Not that I can imagine that in any way being comfortable. The most I've ever done is stuck a couple of folded bills in there, and I don't even like that.

I actually put the phone in the outside, like a pocket. The keys usually go in the cleavage area, though. Sometimes I also put the phone under the strap just below my shoulder.

I have phone or money or lighter in my bra quite a lot. If I'm doing stuff around the house or am driving it's the best place to stash it. (Pro tip - if you are talking to me and I am in the car, you are probably talking to my boob. On speaker!)

Plot holes - I almost automatically do hand-wavey fix-its in my head, if I even notice a plot hole, which I mostly don't. Even once they've been pointed out, they kind of glance off my brain with little effect.

Hm, Up by the shoulder is not uncomfortable. I'll try it for a bit and see if it stays put.

Up by the shoulder, like facing up? Or facing out? Facing forward, it would fall out. Not enough tension there--there's a gap where the strap doesn't touch me. Facing up, too much tension. I'd have to loosen the strap to fit something in.

My boobs don't squish together enough, even in a bra. My phone would probably fall right out.

I once tried to drop my ipod into my bra in a public place...except that I forgot I was wearing a plunge bra that only had a little strappy bit in the middle, and down the ipod went in my shirt. I had to then try to discreetly fish it out.

A single key or loonie or toonie becomes unnoticable in my bra once it's warmed to body temperature.

I once tried to drop my ipod into my bra in a public place

I don't think that I could "drop" anything into my bra -- my bra is pretty tight against my skin in most places, and putting something into it would require pulling the bra away from the skin. There's certainly not any empty space big enough to drop in an iPod.

Yeah, all y'all and your bra shenanigans are crazy to me.

chris, there are a whole bunch of different museums in different buildings that constitute "the Smithsonian", so it's possible there's one slightly off the mall.