Proof of concept in software development is a controversial topic. The person that came up with a software idea is usually convinced of its relevance. And stakeholders usually don't want to spend time on something that is not even going to be included in the final product.
Startups, Biz Dev
Proof of Concept in Software Development
Knowledge
Color in Design: Influence on Users' Actions — Tubik Blog
The article is devoted to the issue of using various colors in user interfaces and branding design, associations and the influence of color choice on user behavior.
Colours
Color in Design: Influence on Users' Actions — Tubik Blog
Jakob Nielsen's 10 general principles for interaction design. They are called "heuristics" because they are broad rules of thumb and not specific usability guidelines.