1. Social Communities
1.1. Bebo
1.2. Facebook
1.2.1. Facebook Apps
1.2.1.1. Bulbstorm
1.2.1.2. North Social
1.2.1.3. Tabsite
1.2.1.4. Wildfire
1.3. Google Buzz
1.4. Linkedin
1.5. MySpace
1.6. Others
1.6.1. Cliqset
1.7. Your Own!
1.7.1. Ning
2. Social Bookmarking Sites
2.1. Delicious
2.2. Faves
2.3. Stumbleupon
2.4. Article Submissions
2.4.1. Digg
2.4.2. Furl
2.4.3. Mixx
2.4.4. Newsvine
2.4.5. Propeller.com
2.4.6. Reddit
2.4.7. Small Business Brief
2.4.8. Sphinn
2.5. OnlyWire
2.6. "Sharing" tools for your site:
2.6.1. Addthis.com
2.6.2. Retweet button
2.6.3. Sharethis
2.7. Social Submit
2.8. Sphere
3. Content Sharing Sites
3.1. Text/Slideshows
3.1.1. Docstoc
3.1.2. Google Knol
3.1.3. Helium
3.1.4. Hubpages
3.1.5. Scribd.com
3.1.6. Slideshare.net
3.1.6.1. Facebook App
3.1.6.2. LinkedIn App
3.1.7. Squidoo.com
3.1.8. Triond
3.2. Audio Sites
3.2.1. BlogTalkRadio
3.2.2. Cinch
3.2.3. Drop.io
3.2.4. Tweetmic
3.2.5. utterli.com
3.3. Image Sharing Sites
3.3.1. Flickr
3.3.1.1. SlideFlickr
3.3.2. Kyte.com
3.4. Music Sharing
3.4.1. Last.fm
4. Blog Commenting
4.1. Comment On the Top Blogs In Your Industry/Category
4.2. Tools for Commenting
4.2.1. ChatCatcher
4.2.2. Disqus
4.2.3. Gravatar
5. Advertising
5.1. Affiliates
5.1.1. Clickbank.com
5.1.2. Commission Junction
5.1.3. Others
5.2. Other Networks
5.3. Pay-Per-Click Ads
5.3.1. Google AdWords
5.3.2. MSN Ads
5.3.3. Yahoo Ads
6. Email Marketing
6.1. HTML Email System
7. Main Website
7.1. Key ingredients
7.1.1. Email Newsletter Signup/Autoresponders
7.1.2. Blog/RSS Feeds
7.1.3. Links to your other social networking sites
7.2. Subdomains
7.3. Microsites
8. Secondary Sites
8.1. Blog
8.1.1. Platform
8.1.1.1. Tumblr
8.1.1.2. Wordpress
8.1.1.3. Blogger
8.1.2. Promotion
8.1.2.1. BlogBurst
8.1.2.2. Feedburner
8.1.2.3. Sociable plugin
8.1.2.4. Twitter plugin
8.1.2.5. Technorati
8.1.3. Podcast
8.1.3.1. Podpress Plugin
8.1.4. Scheduled Posts
8.1.4.1. PostLater
8.2. Forum
8.3. Wiki
8.3.1. PBWiki
8.3.2. Wetpaint
8.3.3. Wikihow
8.3.4. Wikipedia
8.3.5. Wikispaces
9. Promotion (Other)
9.1. Events
9.1.1. Eventbrite
9.1.2. Meetup.com
9.1.3. Eventful
9.1.4. Plancast
9.1.5. Upcoming.org
9.2. Friendfeed
9.2.1. Friendfeed Room
9.3. PR
9.3.1. Distribution Services
9.3.1.1. BusinessWire
9.3.1.2. PRNewswire
9.3.1.3. PRWeb
9.3.1.4. Others
9.3.2. Social Media Releases
9.3.2.1. Pitchengine
9.3.2.2. Pressit
10. Teaching
10.1. Screencasts
10.1.1. Jing
10.1.2. Screentoaster
10.2. Webinars
10.2.1. Go To Meeting
11. Live Casting
11.1. Audio
11.1.1. AudioBoo
11.1.2. Blog Talk Radio
11.2. Video
11.2.1. Live Video
11.2.1.1. Coveritlive
11.2.1.2. Justin TV
11.2.1.3. Kyte
11.2.1.4. Livestream
11.2.1.5. Qik
11.2.1.6. Stickam
11.2.1.7. Ustream.tv
11.2.2. Seesmic
11.2.3. TubeMogul
11.2.3.1. Blip.tv
11.2.3.2. Dailymotion
11.2.3.3. 5 Minutes
11.2.3.4. Google Video
11.2.3.5. Howcast
11.2.3.6. Revver
11.2.3.7. Sclipo
11.2.3.8. Vimeo
11.2.3.9. Viddler
11.2.3.10. Veoh
11.2.3.11. Yahoo Video
11.2.3.12. YouTube
11.3. Online Chat
11.3.1. Hipchat
11.3.2. Tinychat
11.3.3. Tokbox
11.4. Hybrid Sites
11.4.1. Livefyre
12. Analytics
12.1. Clickthrough Tracking
12.1.1. Cligs
12.2. Email Tracking
12.3. Google Analytics
12.4. Keywords Tracking
12.4.1. Backtype
12.4.2. Google Blog Search
12.4.3. Google Alerts
12.4.4. Hubspot
12.4.5. Keotag
12.5. Social Media Monitoring
12.5.1. Blogs
12.5.1.1. Blogpulse
12.5.1.2. Technorati
12.5.2. Twitter
12.5.2.1. Tweetbeep
12.5.2.2. Tweetchat
12.5.2.3. Tweetmeme
12.5.2.4. Twiltert
12.5.2.5. Twist
12.5.2.6. Twitter Counter
12.5.2.7. Twitter Search
12.5.3. Social Media-General
12.5.3.1. Alterian
12.5.3.2. Argyle Social
12.5.3.3. Brandseye
12.5.3.4. Buzzmetrics
12.5.3.5. Brandwatch
12.5.3.6. Radian6
12.5.3.7. Rowfeeder
12.5.3.8. Social Meter
12.5.3.9. Scout Labs
12.5.3.10. Social Mention
12.5.3.11. Spy
12.5.3.12. Sprout Social
12.5.3.13. Swix
12.5.3.14. Trackur
12.5.3.15. Viralheat
12.5.3.16. Virtue
12.5.3.17. Who's Talkin'
12.5.4. Videos
12.5.4.1. Truveo
13. Polls/Surveys
13.1. Doodle
13.2. PollDaddy
13.3. Poll Everywhere
13.4. Tweetbrain
13.5. UserVoice
14. Widgets
14.1. Clearspring
14.2. Gigya
14.3. Gydget
14.4. Pluck On Demand
14.5. Sprout
14.6. Rich Media Widgets
14.7. Widgetbox
14.8. Yourminis
15. Social Q&A
15.1. Answerbag
15.2. LinkedIn Answers
15.3. Quora
15.4. Yahoo! Answers
16. Location Sharing
16.1. Brightkite
16.2. Foursquare
16.3. Gowalla
16.4. Loopt
17. Microblogs
17.1. Plurk
17.2. Twitter
17.2.1. Tweetboard
17.2.2. Tweetfeed
17.2.3. Tweetlater
17.2.4. Twitterfeed
17.2.5. Twitterhawk
17.2.6. Just Tweet It!
17.2.7. Tweetburner.com
17.2.8. Twitter Avatars
17.2.8.1. Twibbon
17.2.9. Follower Management
17.2.9.1. FollowerHub
17.2.9.2. Tweepi
17.2.10. Message Management
17.2.10.1. Twaiter
17.2.11. Twitter Backgrounds
17.2.11.1. ClickableNow.com
17.2.11.2. TwitBacks.com
17.2.11.3. TwitterBacks.com
17.2.11.4. TwitterImage.com
17.2.12. Twitter Directories
17.2.12.1. Twitterpacks
17.2.12.2. Just Tweet It
17.2.12.3. Listorius
17.2.12.4. Twellow
17.2.12.5. Twibes
17.2.12.6. Wefollow
17.2.13. Twitter Events
17.2.13.1. Taweet
17.2.13.2. TweetMyEvents
17.2.13.3. Tweetvite
17.2.13.4. Twtvite
17.2.14. Hashtags
17.2.14.1. Blast Follow
17.2.14.2. Twapper Keeper
17.2.14.3. What The Hashtag
17.2.15. Twitter Tracking
17.2.15.1. Bit.ly
17.2.15.2. Chat Catcher
17.2.15.3. Cligs
17.2.16. Twitter Video
17.2.16.1. Tweetube.com
17.2.16.2. Tweetreel
17.2.16.3. Twitcam
17.2.16.4. Twitvid
17.2.17. Trending Topics
17.2.17.1. Trendsmap