Bookmark collections become hard to use when every saved article, screenshot, and note depends on manual folders or tags. After a few hundred items, search quality drops, duplicates pile up, and the collection stops serving as a working research memory.
Hosted read-it-later products add another concern: saved content reveals research interests, customer targets, hiring plans, or personal reading history. People who collect sensitive material need search and organization, but they also need control over where that content lives.