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Send and receive invitations to Web sites.
ContactShark Bringing LinkedIn and Jigsaw togetherWe all use LinkedIn to research and connect with our contacts. Jigsaw is a great resource...
Alphabetical list of all 300 Webware 100 finalists. Vote now!
Just going into beta, Yahoo's new social network, Mash, beats the stuffing out of its predecessor, Yahoo 360.
InviteShare can get you past the velvet rope of closed betas.