Apps are consuming our time, and apparently also our money. In Valleywag, Nitasha Tiku makes a fascinating case for how freemium app makers have manipulated some of the basest elements of human nature to get us to spend big bucks on meaningless in-app purchases. We paid out $606.7 million dollars to Candy Crush in the first few months of 2014 alone, and Kim Kardashian is making millions from selling virtual "K-stars" on her new app. Head over to Valleywag for the full story.