Just today i was playing my Switch on the train, and heard like two middle-age people talk about it. One asked what it was, and the other knew the name immediatly and that it had a dock for TV.

Nintendo is doing the marketing on a new level for them, i think.

Interesting reports so far to me.
I really wonder how much people play in public, to be honest, and I am sure that if I would do it, I would miss some train stops while I'm transported to a different world (depends on the game and genre, of course).
Playing an RPG would cause me a lot of trouble regarding appointments :) How do you keep track of where you currently are so to not miss your station?

Nintendo also done something very different if you look at other handhelds out there, if you look at all these systems right here

All of them have one thing in common which the Switch doesn't, damn names on the front, facing the user, it's great if you happen to forget the name of the system I guess... but if someone is watching you outside they don't know what you're holding unless they already know the device.... but Nintendo.

Evil bastards

Making us hold up their advertising for the world to see as we enjoy the machine, not a single Nintendo name or mention on the face of the console, it's all on the back for the world to see.

It's the small things which will get the name out there as a thing that people are playing.

Bonus nerd points if anyone recognises the Nacelle in this shot haha

Take my Switch to work and play it at lunch every day. The short play time is perfect for korok seed searching and cooking meals to use later on that evening.

I only ever see people with handhelds, typically 3DS, at airports. Never really see them out on the streets or in malls etc. I travel regularly for work, so I see them often. Haven't seen a switch yet, despite going on 3 trips in the past month.

Location: Boston, MA (USA)

Places I have used Nintendo Switch outdoors so far:

At the Park a few blocks from my house
Walking my dog around my neighborhood
Walking my dog around my parent's neighborhood
At the Bowling Alley during my Monday Night League
At the Movie Theater before the movie starts
On the NYC Subway after seeing a Mets game this past weekend

I haven't seen any other Switches in the wild yet, but my friend's son always brings his 3DS to the bowling alley.
Before getting the Switch, I used to bring my 3DS to all the same places mentioned above. The 3DS camera got a heavy amount of use as well as the games. I used to use it for taking pictures and posting to facebook more than my iphone. I have something like 3,000+ pictures and 100+ videos on my 3DS taken from December 2011 through 2017, and those are just the ones that weren't copied to my computer to make room for more.

I never see people playing handhelds in the wild.

Location: Australia

In Tokyo suburbs, using the train at least twice a day, I see almost only people playing on their smartphones. In 3 weeks, I've seen a couple of 3DS and maybe a Vita, that's all.
Personally, I can use my Vita but only on long train travels (at least 2 hours), otherwise I just use my phone or don't play.

I saw a teenager playing it on the plane, during a flight.

That's pretty much it. It was also the first time I saw the device with my own eyes, and I have to say, I still think it looks like a cheap chinese knock-off.

I'm never taking a handheld out with me again unless it's a plane ride. It's a bother when I already have other stuff to deal with. I'd much rather take my Kindle if I'm going to be waiting.

As far as seeing them in the wild, I've only seen the 3DS with kids. I live in the southeastern United States where the majority of people travel by car. In waiting areas, I only ever see teenagers and adults with their noses buried in their phones--often the whole room.