Honestly, the UI for interacting with them I guess. Often I want to provide some context to someone about what I've read and it's way more than a single articl

Honestly, the UI for interacting with them I guess. Often I want to provide some context to someone about what I've read and it's way more than a single article. It's a collected across many sessions. Searching for things I've viewed at a similar time (history more so than bookmarks but I don't know when I'm going to want to remember something I read!).