I did not know about them and I have a good use for them today. So I found it useful though I agree it needs the date disclaimer

I saw the post and was literally thinking "I have been using these tunnels extensively for a couple years now"

Didn't these used to be called Argo Tunnels a long time ago? I think Argo Tunnels got repositioned for connecting to origin servers without needing an incoming connection to the origin but I thought they originally did something like this/ngrok

Yeah, I just checked the page >can connect their server to the Internet with Argo Tunnel for free

5 years ago imo it was less relevant, if you showed me this then I would be like "cool tech, but other then a specific scenario, why would I care"