What pointing device do you use?

• Mechanical mouse
• Optical mouse
• Trackball
• Touchpad
• Touchpad with multi-finger detection
• Pointing stick
• Stylus
• Touchscreen without stylus
• Graphics tablet
• Wii-like remote
• Light pen
• Joystick
• Game controller
• Eye movement tracker
• Electrodes in brain
• Windows or X API (I'm software)
• Freak cosmic rays
• Moving mouse pointer with keyboard
• Navigating GUIs with keyboard only
• I don't use GUIs
• Other

This got a bit too long, sorry.

Update: added an "Other" option, with all the geeks out there there's bound to be something I just didn't think of.

Update: this is already too long so we'd better not add any jokes unrelated to computers like laser pointer, just my index finger, conducting baton, walking stick or umbrella, magic wand or staff, two hands, etc.