Tell me what I want to know. Be upfront about things you’d rather not be upfront about. For instance, you may lose points if your shipping rates are higher than I’d like, but you’ll often gain enough points for candor and for making it easy for me to make up the difference.
Don’t make me think
Being an expert in online usability Krug gathered his experience in a wonderful book. This summary of key thoughts will help you to remember most important principles and laws.