Twitter/Jabber:
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http://pogue.blogs.nytimes.com/2009/01/15/twittering-tips-for-beginners/?ex=1248238800&en=db92b9cb10533183&ei=5087&WT.mc_id=TE-D-I-NYT-MOD-MOD-m078-ROS-0109-L2&WT.mc_ev=click

- broadcasting questions
  - fuzzy targeting (tags?)
  - public questions
  - friends-only questions
  - social-network depth for questions
  - karma! (for answerers)
  - UTU! (for answerers and askers)

- allow discussions around questions
  - temporary threads

- filtering
  - people you want to bookmark (and read OCCASIONALLY) vs. people you want to listen to

- better support for links and such
  - the 140 char limit is stupid sometimes. tinyurl FTL