Plum Social Browsing Demo
"plum.com is a free Internet service for collecting and sharing the things you care about, stumble across or need. With plum.com it's a snap to grab almost anything from the Web (pages, text, photos, feeds), as well as from your desktop, e-mail, and share it in any form - as a blog, list, album, or live feed. Plum’s patent-pending Meta-Match technology connects people and their knowledge with higher relevance than ever before."