This bugs me endlessly when browsing HN. I like to open and read interesting links in new tabs, and invariably the continuations have expired when I return to

This bugs me endlessly when browsing HN. I like to open and read interesting links in new tabs, and invariably the continuations have expired when I return to HN after reading another tab. I see the expiry error many times everyday. It is a terrible user experience, even if it's a interesting technical 'solution' to paging.