I read a lot of websites and I'm very competitive.  I want to know what everyone is reading if they're not reading me.  I started looking at what these bloggers were writing that was bringing in so much traffic. Was it their witty prose?  Was it their heart-warming stories of motherhood?  Was it their parenting insights?  Nope.  Not even close.  It's lists.     
The Top 10 _____, Best 8_______, Got to Have 6______, Most Amazing 29______....