interests
   alt-energy
     batteries
     generation
     HVAC
     life-support
     links
     regen
     storage
     vehicles
       air
         ecopters
           ehang
           iris
           kittyhawk
           neistat
           first
           hoverbike
           liftoff
       land
       sea
       storage
   animals
   art
   clocks
   colbert
   college
   computers
   documentaries
   food
   form letters
   free books
   glasses
   house
   law
   linguistics
   logic
   math
   movies
   music
   plants
   plastics
   recipes
   shellshock
   toronto
   transpo
   usb
   wales
   watches
   wtf
me
opinions
works