bob@test:~$ ps waxf | grep [i]ndicator
 2664 ?        Sl     0:00          |   \_ /usr/lib/i386-linux-gnu/xfce4/panel/wrapper-2.0 /usr/lib/i386-linux-gnu/xfce4/panel/plugins/libindicator-plugin.so 6 37748778 indicator Indicator Plugin Provides a panel area for Unity indicators. Indicators allow applications and system services to display their status and interact with the user. 
 2709 ?        S      0:00          \_ upstart --user --startup-event indicator-services-start
 2711 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-messages/indicator-messages-service
 2712 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-bluetooth/indicator-bluetooth-service
 2713 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-power/indicator-power-service
 2714 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-datetime/indicator-datetime-service
 2715 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-keyboard/indicator-keyboard-service --use-gtk
 2716 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-sound/indicator-sound-service
 2717 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-session/indicator-session-service
 2732 ?        Ssl    0:00          |   \_ /usr/lib/i386-linux-gnu/indicator-application/indicator-application-service