Oddly enough the spec has an optional comments element. Wonder if there’s anyone using that in an interesting way.
If reader mode fully takes off, then there’s no need to worry about styles in specific situations (articles). Offer some bare minimum semantic and you’re good. Firefox’s reader mode wins hands down right now. Content before context.
Sometimes it’s amusing to stumble upon the latest centralization/decentralization debate. You could argue technically against centralization, , and censorship until you’re blue in the face.
Decentralization is pretty much a solved technical problem, but for very special non–technical reasons everything only gets more centralized from this point onwards :-)
Parsing feeds is always a pain. Don’t parse feeds inside the template engine kids :-)