I have an NX Mini (which isn't exactly the same as the regular NX line) which has a "1 inch" sensor and a 3-lens interchangeable system. With the 9mm fixed lens it's as pocketable as a phone, but with a flip-out screen, a real flash and otherwise much better quality. With the 9-27mm zoom lens it's even a reasonable portrait camera. I haven't found one of the 17mm f/1.8 lenses, they're pretty rare.
Anyway, I really like that little thing. With a C-mount lens adapter I can use surveillance camera lenses which is pretty fun.
Isn't Delta-Sigma and PDM exactly how DSD works? In fact, I think Sony originally came up with DSD as an intermediate representation of PCM in one of their DACs and then Sony & Phillips got the harebrained idea to use it in SACD. That is to say, a simple DAC for DSD is just a capacitor functioning as a low-pass filter, without any other components.
There's a long-standing convention of "golden age" meaning the first age, when an art came into its own. A "silver age" follows if there's a revolution in the art, often with some sort of decline between.
Google Groups performed the classic embrace-extend-extinguish maneuver against USENET, by way of their acquisition of DejaNews and then implementing their own forum/mailing list interface on top if it.
But, I wonder how many communities that are using Google Groups would be suitably served by falling back to USENET. I suppose it would require some updates to both NNTP server software to be easier to administer (if you want to go that route), and especially NNTP client readers to be more modern and user-friendly.