links for 2008-02-09

• readersniff.js - figure out which feed reader your site viewer uses
  Compare a set of known links against a visitor's browser history to determine preferred online feed aggregator(s). Add the appropriate feed subscription button for each positive match.
  (tags: javascript dom sniff user-profiling xml browser-history-surfing maybe-evil maybe-good)
• Linda Stone: Just Breathe: Building the case for Email Apnea - Living on The Huffington Post
  don't hold your breath when you answer your email
  (tags: email sleep email-apnea breathe-in breathe-out)