Considering how most of the Internet is encrypted with TLS, if you add DNSSEC+DoH/DoT on top, trying to MITM someone on a public WiFi is way harder than it was, unless you're a state-level adversary and you're able to craft valid certificate for a domain you don't control from a globally trusted (root) certificate autority (which will lose its trusted status quite fast once discovered, ex: CNNIC)
I use them for our printed version of our documentation, each document has a cover page with a QR code pointing to the latest version of the electronic copy.
Handy during an outage, and you don't have to search for the online copy.
It's technically still in early access, but damn I haven't had that much fun with a boomer-shooter in a while. The level design is top-notch, the music slaps, and the AI is actually good at cornering you.
They're working on the next two chapters, which you'll get when they come out at no additional cost. Also, the OST is on Bandcamp.
It's not about winning an argument, it's about coercing the opponent into silence.