Today’s challenge is simply an image:
Puzzle Challenge #5: http://twitpic.com/3eo636
Puzzle Challenge #4: Happy birthday, Google! Your days of the week are showing their natural beauty: 1943 1954 1977 1995 2013
Today’s challenge (#2):
Puzzle Challenge #2: There is more than meets the eye at http://goo.gl/MKoc8. You’ll find the answer in a tweet.