Back in 2012 Harvard Business Review called 'Data Science' the sexiest job of the 21st century. Tinder disagrees (it's still pilot for men and physical therapist for women apparently) but what do they know?

Numbers are sexy, dammit. Sexier still: the knowledge to make sense of those numbers, and understand the world as we know it through data.

Want skills that can instantly turn you into a rockstar job applicant? Then you need The Essential Data Analysis Bundle. This 3-course package, which teaches practical lessons in Excel, Business Analysis And Data Science, is available this week at 81% off the retail price for Lifehacker Australia readers.

Analytics and big data are a potentially lucrative career path, but what should you do to ensure that you keep one of those roles? Here are some simple tips to make sure you're indispensable.

Data scientists and analytics experts are much in demand and hard to locate, but how can you be sure you've got the best candidates, and what should you ask them? Google -- obviously no slouch when it comes to analytics -- has some useful suggestions on the best approach.