The Google bar on Android devices works toward this a bit.<p>You can just type or hit the voice action [0] button and say "<i>note</i> pick up milk at 8 o’clock" and have the action completed with the note handling app of your choosing.<p>0: <a href="http://support.google.com/android/bin/answer.py?hl=en&answer=1715292" rel="nofollow">http://support.google.com/android/bin/answer.py?hl=en&an...</a>