A social network service for classmates and old friends reunion popular in Russia and other former Soviet Republics.

Twitter is without a doubt the best way to share and discover what is happening right now

Windows Live Spaces (previously MSN Spaces) is Microsoft's blogging and Social Networking platform.

Orkut is a free-access social networking service owned and operated by Google.

Connect with friends and family using scraps and instant messaging
Discover new people through friends of friends and communities
Share your videos, pictures, and passions all in one place

Netlog (formerly known as Facebox and Bingbox) is a Belgian social networking website specifically targeted at the European youth demographic. Netlog is a youth community where users can keep in touch with and extend their social network. On Netlog, you can create your own web page with a blog, upload pictures, watch videos, find events and play games.

MySpace is a social networking website. Music. Videos. Photos. Blogs. - You are what you share.

Multiply is a social networking service with an emphasis on allowing users to share media - such as photos, videos and blog entries - with their "real-world" network. Popular in Asia.

LiveJournal.com is a free service for all your journaling and blogging needs, offering privacy controls, photo storage, publishing tools, style templates, and online communities for just about every interest imaginable.

A business-oriented social networking site and allows users to establish new business relationships.

In Hi5, users create an online profile in order to show information such as interests, age and hometown and upload user pictures where users can post comments.

Friendster connects you with friends, family and the things most important to you. With Friendster you can share photos, express yourself with a custom profile, and so much more!

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you take with a cameraphone.

Bebo provides an open, engaging, and fun environment that empowers a new generation to discover, connect and express themselves.