• “Jaiku is a micro-blogging and social networking…“, crunchbase on jaiku
• “Seattle based Jott
  offers a novel and convenient service that lets users speak messages;
  those can be sent to themselves or others as a transcribed emails or
  voice messages.” crunchbase on jott
• Plazes – “The idea behind the service is for everyone to be able to
  track the places, activities and people in their lives.” crunchbase on plazes
• Pownce – “Pownce
  is a way to send stuff to your friends. What kind of stuff? You can
  send just about anything: music, photos, messages, links, events, and
  more. You can do it all on our web site, or install our lightweight
  desktop software that lets you get out of the browser.” pownce.com/about
• “Tumblr is a re-envisioning of tumblelogging, a subset of blogging that uses quick, mixed-media posts.” crunchbase on tumblr
• “Twitter is social networking and micro-blogging site that allows users to post
  their latest updates. An update is limited by 140 characters and can be
  posted through three methods: web form, text message, or instant
  message.” crunchbase on twitter
  • video demo of Twitter
• Yurbo is a blog and allows for posting via IM. More About Yurbo.

• Jaiku» home – badges, jaikuvision, setting your Jaiku location correctly

• Jott»  home – faq, howto, myjotts,
• Plazes» home – Edit Your Account, tools, map widgets
• Pownce»  home -
• Tumblr» home - customize, dashboard, feeds, goodies

• Twitter» home - archive, inbox, sent, followers, friends, account settings, Public Timeline, Twittervision, badges, gcal², rtm³, search twitter, tweetscan, twittercal.com, twittersearch, What
  am I doing?
• Yurbo» home -

• Jaiku is primarily a Microblog, but also is sort of a feed Aggregator.
• CrunchBase jaiku Directory Entry. About Jaiku, Jaiku is now owned by Google. Developers: devku.org
• My jaiku name: erich13

Jott»  jott.com

• Jott users call 1-877-568-8486, and then users “tell Jott the name (which will be located in the imported
  contacts). Lastly, users record their message, and hang up. Within
  minutes, the message shows up in the recipient’s inbox, translated into
  text. Users also have the option of sending the voice message itself by
  immediately pressing 1. The message shows up as an audio file in their
  email inbox.“
• Cruchbase Jott Directory Entry
• My jott name: erich13

Plazes» plazes.com

• Plazes is a Microblog.
• CruchBase plazes Directory Entry

• My plazes name is: erich13

Pownce» pownce.com

• crunchbase.com/company/pownce
• My pownce name is: erich13

Tumblr»  tumblr.com

• Tumblr is a a Microblog and a Feed Aggregator

• CrunchBase Tumblr Directory Entry
• Related to Tumblr is Jott
• My Tumblr name is erich13

Twittter» twitter.com - short messages (140 characters) are posted, from cell phone, browser or instant message

• Twitter is a Microblog.
• CrunchBase twitter Directory Entry

• My favorites tagged with “twitter” at de.licio.us, for example:
  • A Quick Introduction to Twitter for Bloggers
  • twitterpod
  • About Twitter, A Quick Introduction to Twitter for Bloggers
  • The Big Juicy Twitter Guide (e.g. Twitter Guide Part #1: What is Twitter? )
  • Tipster Thursdays: How To Use Twitter In 5 Unique Ways
  • 17 Ways You Can Use Twitter: A Guide for Beginners, Marketers and Business Owners
• all “twitter” de.licio.us favorites
• Google “joined forces with Twitter and Twittervision to give you instant updates on Super Tuesday. You can watch Twitter texts from across the country and send in your own updates!“
• My twitter name: erich13

Yurbo» yurbo.com

• Yurbo is a blog and allows for posting via IM
• My yurbo name is erich13

• twitku⁴ - TwitKu.com a free social network mashup – Post to Twitter, Jaiku, and/or Pownce from twitku

• Twitterbar – a Mozilla browser Add-On
• twittercal  - send direct messages from cell phone, browser or instant message to your Google Calendar via twitter user called “gcal“
• Twittervision – “A real-time geographic visualization of posts to Twitter.“
  
• Remember the Milk (RTM) – send direct messages from cell phone, browser or instant message to your todo list via twitter user called “rtm“
• jaikuvision – “Just log on to your Jaiku account, set your Location (in the Jaiku sidebar) and post a message.
  Then your message along with your location will pop up here!“

3 rtm = Remember The Milk (http://www.rememberthemilk.com)  – http://www.rememberthemilk.com/services/twitter/
RTM is a ToDo list manager.

4 TwitKu.com a free social network mashup.