Yes, because of all the metadata you can preserve with the save. Also, frequently what yo want to save is a link to a book or an article (or a Wikipedia articl

Yes, because of all the metadata you can preserve with the save. Also, frequently what yo want to save is a link to a book or an article (or a Wikipedia article, say) and Zotero recognizes many of these formats and saves them correctly, it's toolbar icon even changes to let you know. It's a fantastic tool. It's got cloud storage, and it has an API (which I've used -- it's super easy).