Think twice before placing links in your article or website. This is a one-way ticket away from your
content into someone else's.
Because humans take comfort in consistency, a user will feel its best when navigating through something without surprises or unfamiliar
Companies sometimes use bad UX for their own economical advantage, for example by making a diffuse payment
reminder. A design choice consciously made to collect late fees.
Don’t underestimate colors and shapes. If used wisely, they will effectively guide the user to find exactly what she/he is looking for.
Stress and laziness is often a given factor in users. Always make sure your UI can be navigated by a really tired person or someone that’s in a hurry. Efficiency is key.