We love it when our readers send us notes, letters, and e-mails. Usually it's from a downstairs neighbor who's been up all night after an intense evening of "sexorcisms." Sometimes it's from a passive-aggressive roommate who's sick of dirty dishes in the sink. Sometimes it's something more poignant, like a man scared for his life in the middle of a Hurricane Sandy storm surge. Regardless, we see our fair share of these letters on a day to day basis and, inevitably, these things tend to go crazy viral. Since we're looking back on 2012, here are our 30 favorite viral notes and letters to hit the web. 

Click the image above to proceed through the gallery...