Whatever Happened to the Rainy Day Fund?

Mint.com has an interesting infographic that shows how (un)prepared Americans are for unexpected expenses. It seems the rainy day fund—once the cornerstone of financial independence—is a thing of the past for many. According to Mint, 50% of Americans would have difficulty coming up with $2,000 to cover an unexpected expense. It begs the question: how confident are you in your emergency fund?