It's generally from researching a topic while working on a project. It's a bit like a cache of bookmarks, you don't really know what you're going to need until you've made some headway and found what was truly helpful that you may need later versus what you can safely close.
It's generally from researching a topic while working on a project. It's a bit like a cache of bookmarks, you don't really know what you're going to need until you've made some headway and found what was truly helpful that you may need later versus what you can safely close.