interests
   alt-energy
   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
     boats
     cars
     ev
     motorbikes
     trains
       hs
       maglev
         china
         japan
         shanghai
       solar
       vintage
     urban transit
   usb
   wales
   watches
   wtf
me
opinions
works