As designs evolve and grow, design debt can get worse and worse. This is every designer's kryptonite. Have you implemented Design QA and how do you do it?
"Design Debt affects the integrity of the user experience. This is what happens when a bunch of incremental changes collect over time and yield a disjointed, inconsistent, and patched-together experience. With each successful experiment, a small amount of Design Debt is incurred as the design moves slightly away from it’s original, cohesive roots." - Design Debt