Because some of us went on to better places :) Ning was recognized for its selectivity in hiring; though it did come as a shock, everyone that I knew in my short time there landed on their feet at similar or better operations (Google, Amazon, Etsy, etc).

In the intervening months since the layoffs, there's also been some attrition (as there always is) in those who weren't laid off. I know of at least two people who weren't laid off, but left for Facebook shortly after the layoffs.

I also know that they've already hired back at least one of my former coworkers since the layoffs.