A number of hints have been published during the contest. Here they are. Visual hints are included in the attached files.
Day 1 hint
" Though orange is surely a pretty color,
tis not the answer, seek another "
Day 2 hint
"Consider the titles, read them through
the words and the letters hold an answer for you"
Day 3 hint
"Two by two, two by two,
see the pattern that pairs reveal to you"
Day 4 hint
"Though the task is daunting do not despair,
what common trait do pairs of titles share ?"
Day 5 hint
"This clue is visual so open your eyes,
Somewhere in here your answer lies"
Day 6 hint
"One more hint to help you through.
Am I being too nice to you ?"
Day 7 hint
" Consider both lists, not just one,
What is similar ? what is gone ? "
"Try try with all your might,
follow the path and see the light"
Day 8 hint
"One more clue for your quest,
will it help you solve the rest ?"
Day 9 hint
"First one list, now the other,
can you use them to make another ?"