Definition with practical examples Emptiness is an essential aspect of life. Imagine listening sound without spaces between the notes. You'd have a linear stream of noise. Same goes for photography, architecture, painting, sculpturing. And designers use it too.

Each year since 2011, Stack Overflow has asked developers about their favorite technologies, coding habits, and work preferences, as well as how they learn, share, and level up. This year represents the largest group of respondents in our history: 64,000 developers took our annual survey in January.

Starting any project, which is not their personal presentation but a product for users, designers should be deeply aware: they work primarily not for self-expression, not for showing their creativity to the world, not for creating something revolutionary new that will make the world go round in opposite direction.

There are generally three types of people in the world when it comes to exercising: the fitness freaks who exercise all day err' day; the couch potatoes whose walking from the front door to their car would be the extent of their exercise for the day; and the people in between who want to be fit and healthy but need some motivation (aka a kick in the butt) to go to the gym.

Let's talk about charts. Any designer who has worked on a project that requires some kind of data visualization knows that it can be an extremely difficult (and rewarding) design challenge. I've been designing complex, data-heavy web and mobile apps for the past 15 years so I work with charts on a daily basis (see what I mean on Dribbble).