10-10-10
Very cool date in geekdom, indeed! As Gizmodo points out, 101010 in binary equals 42 in decimal, which happens to be the answer to life, the universe and everything. 
Obviously, this date cannot be missing from any nerd’s blog.
Among other things, it is also the atomic number of Molybdenum, rainbows appear 42° above the shadow of the observer’s head, it is the ASCII code for the asterisk (*), the Orion Nebula is the Messier object with that number, and the color with a hue of 42° at maximum brightness and saturation is a medium orange:
One year, one month and one day from now, it’ll be 11-11-11. Binary 111111 equals decimal 63. Seems to be a far less interesting number.