In addition to saving PDFs and other documents, Zotero can be used to share links and citations with other researchers through the use of groups. To use groups, everyone who wants to share citations and links must register for a free Zotero account.
Once you've configured a group at Zotero.org, you and your group members will see the group library whenever they sync their Zotero standalone application or browser plugin with their Zotero accounts. Here's what you'll see:
Most article databases have an email option which you can use to send documents to yourself to read later. Look for an envelope icon or email selection.