No it isn't the year I was born (unfortunately). It's the number of members in The Spring Shawl Surprise group.
Lots of them have casted on and a few even finished Clue 2 that was releashed yesterday.
The group has been closed to sign-ups but will reopen by the end of March when the knit-a-long ends and the secret is revealed. At that time it will also be possible to purchase the pattern.
I will post pictures of the clues here so some back for a peek if you missed the sign-up. If you are a member of Ravelry you can see lots of SSSs in there. My ravelry id is lul.