If you traveled back in time, what modern invention would blow medieval humans away?

“I think the obvious answer would be the iPhone because I know that they could never comprehend what an iPhone is, what it's capable of. I mean, even I can't sometimes. It's just crazy. It's just…”

“You know, I don't know why this came to mind, but I would definitely say Hinge or Tinder. Like, imagine just being able to, like, see people from around your village just trying to, like, get some. I…”

“So, traveling back in time to the Middle Ages, this modern invention that would blow medieval humans away would be - ready for this? - the water bottle. I'm telling you, they'd be, like, so shocked.…”

“So if I were to travel back to the Middle Ages, a modern invention that would blow them away would probably be, like, an airplane. If I were to show them an airplane, they'd probably be like, "What…”

“If you - If I traveled back to the Middle Ages, I think the - you know, there's a lot of things, you know, like, oh, a water purifier, all these crazy vehicles, everything. I think the thing that…”

“I think a microwave would blow humans away because to them, maybe it's like putting food in a box and then it heating up or making popcorn or something like that. And I think that would blow humans…”

“I think if I traveled back in time to the Middle Ages that vaping devices would definitely blow medieval humans away. And probably Four Loko's. That's what I'd show them.”

“If I could travel back in time to the Middle Ages, a modern invention that will blow the medieval humans away would have to be maybe a car. I was gonna say cell phone, but then I was like, "Then I'd…”