The article does mention it, though, in the "Various applications and services offer save for later functionality" part, along with other software and services.
Save articles to your Reading List and read them later — even without an Internet connection. And peruse pages from the clean, uncluttered, ad-free Safari Reader. Safari works great with iCloud. It keeps your Reading List up to date across all your devices. iCloud Tabs makes the last web pages you looked at available on all your devices, too.
