In the attention economy, anyone trying to connect with an audience must treat the user's time as the ultimate resource.
Jakob NielsenOn the Internet, it's survival of the easiest.... Give users a good experience and they're apt to turn into frequent and loyal customers. But ... it's easy to turn to another supplier in the face of even a minor hiccup. Only if a site is extremely easy to use will anybody bother staying around.
Jakob NielsenConsistency is one of the most powerful usability principles: when things always behave the same, users don't have to worry about what will happen. Instead, they know what will happen based on earlier experience.
Jakob Nielsen