It’s always the little things that count. I recently noticed the download notification bar on the bottom right of Firefox 3.5. It tells you how many downloads are active, and roughly how long they’ll take to finish. The reason why this works is simple, it saves at least two clicks which it would normally take to bring up this download window:

This just shows how it’s important to pay attention to the small details in your app – it makes the life easier for your customers, thus increasing their loyalty to your app. Bam!