- deploy
  - now.sh, waiting for it to be purely front end
    - purely front end except for mailing list
- make text inputs big enough for MAX_DIGITS_PROBLEMS and MAX_DIGITS_BITS
- show a message on submit
- show warning when specifying invalid number of bits or problems
- prevent submissions more than x times per time
- show a live-updating preview as you select different settings
- make it look nice
- add contact info
- add 'about'
- add mailing list