2. Provide a way to read through similar content in a more aggregated fashion. LWN often features follow-up articles on the same topic, yet I actually have to follow through the in-article links to the back stories. Surely there's a way to organize-this in a more book-like fashion where I can click through a TOC or something like that.
3. And yes, social media integration is a must these days. This goes with #1; i.e. there are a few things that news/content sites are expected to provide these days.