For those who’ve taken the plunge into the world of wearable devices — 61 million of us by the year’s end, as estimates predict — the leap can be liberating.

At some point in our careers, most of us have to deal with an IT system that is clunky, unreliable, or just plain difficult to use. It might have an unintuitive interface that takes forever to learn. Or it might require an unnecessarily mind-numbing sequence of steps for every minor task that it facilitates, only to crash every time that task is just a few clicks from completion.

Have you ever struggled to learn a new language? Maybe you should spend less time trying to speak it and start singing instead!

One of the most famous folklore in marketing and data mining goes like this: many years ago, Walmart noticed that on Fridays, men would head to the store, pick up some diapers for their babies and grab a six-pack at the same time. To take advantage of this, Walmart placed the diaper and beer aisles adjacent to each other, resulting in skyrocketing sales for both items.