I love that it's easy for me, as an individual user (and not part of any organization), to curate my own collections into folders with meaningful labels like "Books" or "Articles." It makes finding things later so much easier than searching through lists in Gmail/Google+. The search function could be more powerful - sometimes you just want something specific but can't find what you're looking for even when narrowing down your searches very specifically. In addition, there are no notificationsβ¦