Take “new feature” requests with a grain of salt. People will often say, “I’d like it better if it could do x.” It always pays to be suspicious of these requests. If you probe deeper, it turns out that they already have a perfectly fine source for x; they’re just telling you what they like.
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.