Comments are Hard
=================

* Technical
  * SPAM - The hardest.
    * solutions: Akismet, approve-only, use a service (Disqus), rel=nofollow, auto-disable after a time
  * Identity!
    * solutions: cookie-based (wordpress), OpenID/TypeKey (typepad), login, anonymous
  
  
* From the user's perspective
  * Identity!
  * Follow-ups
    * solutions: per-post-comment feeds (yuch), email responses