"... the human tendency to find meaning or patterns in randomly occurring data. This condition feeds on itself, because the more conscious you are of something such as repeating 11s the more often you'll notice it in the world around you, and thus the more certain you'll become that the pattern is real.

This certainly seems true to me.

In medieval times, numerologists those who searched for the mystical significance of numbers believed all numbers had both positive and negative aspects except for 11. In the words of the 16th century scholar Petrus Bungus, 11 "has no connection with divine things, no ladder reaching up to things above, nor any merit." Stuck between the divine numbers 10 and 12, 11 was pure evil, and represented sinners.

That doesn't bode well for Nov. 11, 2011, the date when three 11s will align for the first time in a century

...

In online forums about the 11:11 phenomenon, people often say they didn't notice how many 11s appeared to them until hearing about the phenomenon from someone else. This is a tell-tale sign of apophenia: When they found out about the phenomenon, they subconsciously started keeping track of all the 11s they saw, with each new sighting seeming more significant than the last.


Full article here, with the caveat that the ad is not approved by the founder of this forum. Normally I wouldn't post anything with an ad (Anu, feel free to delete the link) but I just thought this article was both timely and interesting.