Join the band of noble warriors that vow to rid the land of this wretched beast that plagues our repositories, terrorizes our backlogs, and devours the fruits of our labor. Complexity's reign of terror must end! But be warned, only the true of heart can hope to survive an encounter with this most despicable of creatures. The bones of many a noble programmer lie strewn about the brute's lair. Scorching fire, razor-sharp teeth, and crushing death await ye. Yet for those courageous enough to face the trials, glory, honor, and immortality await!
Wait, wait, wait... Before you go rushing off to embrace your eminent demise, allow me to equip you with the required armaments. Knowledge, that is the only weapon that can save you from your peril. You must have a profound understanding of the Complexity dragon if you hope to slay it.
Now that I have you attention, let's get serious...
Head on over to the Wiki to get started.