Top Social Networks of 2006 (Mashable.com)

Some research for an upcoming project leads me to Mashable's Top Social Networks of 2006 list (which of course leads me to wanting the 2007 list):

1. Mainstream & Large Scale Networks

MySpace
Multiply

Bebo, Vox, Facebook, Facebox

Share Your Life With Your Friends... Multiply makes it easy to create, share and discuss your blog, photos, videos and music with more of the people you know, and less of the people you don't.

2. Widgets & Add Ons

Slide
Zwinky

RockYou, Stickam, Snocap, Zingfu, MyBlogLog

3. Social Networking

Digg
Trailfire

Del.icio.us, StumbleUpon, Blinklist

4. Sports & Fitness

FanNation
Takkle

SportsVite, Ultrafan

5. Photo Sharing

FlickrFlickr
Twango

Zoomr, Webshots, ImageShack, Tabblo, Pickle, BubbleShare

6. Video Sharing

YouTube
Gotuit

Metacafe, Motionbox, Revver, vSocial, StupidVideos, Blip.tv, iFilm, Eyespot

7. Startpages

Netvibes
Pageflakes

YourMinis, Protopage, Webwag

8. Places & Events

Yelp
CollegeTonight

MingleNow, HeyLetsGo, Planypus, ILCU (and others)

9. Music

Last.fm
ReverbNation, MOG

Pandora, YourSpins, Rapspace, ProjectOpus, iLike, Splice, MusicHawk and More

10. Social Shopping

Etsy
ThisNext

Hot for 2007: Crowdstorm, Kaboodle, ShopWiki, StyleFeeder

11. Mobile

Twitter
Wadja

Hot for 2007: Friendstribe, JuiceCaster, Zingku, Moblabber, Zemble, Veeker, Treemo

12. Niche & Misc. Social Networks

Flixster
Dogster, LibraryThing

Hot for 2007: SneakerPlay, MothersClick, Motortopia, Minti, ComicSpace, Curbly, MyChurch, Ziki, VeryLiberating, ITtoolbox, Fanpop, ShareYourLook, FamilyThrive, Blubrry, innerTee, Listal, ConnectingMoms, FirstGiving, RealityAllStarz, CafeMom, BeGreen, AdFemme, Dianovo, eLifeList, CampusBug, SnehaH, HumanOpinion, MerchantCircle, Barrio305, GenevaOnline, MDJunction (list too long to...)