If you don't see a discussion topic related to your feedback then you should create one. That allows other people to add their own related comments.

The best feedback you can give is based off your first reactions to the feature. What did you see; what do you expect; and then what actually happened. You don’t need to worry about thinking about how different users may react or interpret something, your direct reaction is what we need to know. This applies equally to code bugs, design bugs, usability issues or just missing features. If there is a specific page then including the url can be very helpful so we know what you’re talking about.

Another helpful piece of feedback after using the site is to post a ‘highs and lows’ list. This is a list of what your high points of using the site were (discovering a feature you thought was cool) and low points (it took me a while to find how to get to page X, page Y was broken, I wanted to do Z but couldn’t, etc).

Though we may not be able to respond to everyone, we do read and appreciate all of your posts. Thanks!