It's difficult to find an app that doesn't rely on some form of conditional logic to implement its functionality. This is almost always performed using statements like: if (processAccount === true) { / do something / } If and switch statements work well for a limited number of conditionals, but what if your app had 10's or 100's of conditionals to evaluate? Luckily, there's another way. The goal of the Bit Masks app is demonstrate how to use bit masks to evaluate longer sequences of switches without having to rely on long strings of conditional statements.