The annotation features will definitely help Zotero to keep relevant, but Zotero still desperately needs a better option for saving websites. The ability to save sites, via browser extension, as a single file (MHTML or even HTML-only) has been an open request since 2007.
- https://forums.zotero.org/discussion/919/ (2007)
- https://forums.zotero.org/discussion/33516/ (2013)
- https://forums.zotero.org/discussion/68378/ (2017)