Curation is a life skill and an important part of being digitally literate. Educators need to know how to curate information so they can teach students how they can curate content for research, their interests and passion. As part of this process educators need to encourage students to curate information using techniques that address their own personal learning needs.
You come across a lot of stuff, find some of them valuable, find value in some parts, and you see connections between the different stuff you come across. You curate by filtering, extracting, and bringing out the connection between the stuff you find, and this curated new stuff becomes more valuable than those already shared stuff that you found. Valuable enough to be shared to others who are looking for similar stuff as you are.