The bookmarking service CiteULike is shutting down on March 30, 2019 after a 15 year run. While some may turn to yet-another-silo or walled garden I highly recommend going IndieWeb and owning all of your own bookmarks on your own website.

I’ve been doing this for several years now and it gives me a lot more control over how much meta data I can add, change, or modify as I see fit. Let me know if I can help you do something similar.