We haven’t finished our review of Yahoo360 yet, but don’t let that stop you. Be the first to review the site in Comments!

We haven’t finished our review of Zenbe, a Web email, calendaring and messaging service, but that shouldn’t stop you from adding your own in Comments right now!

We haven’t finished our review of VKontakte, “In Contact” in Russian, but that shouldn’t stop you from adding your own in Comments right now!

We haven’t finished our review of Spoke, but that shouldn’t stop you from adding your own in Comments right now!

We haven’t finished our review of ubiplanet, but that shouldn’t stop you from adding your own in Comments right now!

We haven’t finished our review of GMail, but that shouldn’t stop you from adding your own in Comments right now!

 
Home page: Plaxo
Business networking service with contact directories, which provides syncing services with popular email services and mobile handsets. The Plaxo service is a bit notorious for uploading members’ email contact information and flooding their friends and colleagues with email asking for confirmation of their email, phone and address, as well as pitching Plaxo membership.
Plaxo [...]

Home page: AlwaysOn Network

The AlwaysOn Network home page, featuring links to profiles and opinion posted by members

Technology and leading-edge industry leaders congregate on this popular social network and news site. The site includes blogging, group discussions, commenting threads on news items, and business contact directories.
See Discover Social Media’s business networking primer for strategies to use with AlwaysOn [...]

Home page: Xing

The Xing Member Dashboard

Business networking service with a European and Asian focus. Six million members use the site to share contacts, news and opinion postings, group discussions, event calendaring and an marketplace of jobs and services. Xing now supports status feeds.
Free and fee (€5.95/mo. or $7.95/mo. for ad-free and enhanced search features).
See Discover [...]