links for 2006-07-16

• twttr
  Real world presence over SMS.
  (tags: social sms mobile presence)
• SIPphone brings Voice to Nokia 770
  Gizmpo ported to Nokia 770 internet tablet. Cool!
  (tags: voip opensource)
• Outsourcing choice
  An interesting view to the number of options given to users by the UI.
  (tags: design usability ui choice)