Free, very cool Web 2.0 badges. They are probably the most popular trend today, in the time of Web 2.0. They may have different round or square corners with eye-catching colors. They immediately attract the attention of visitors, but are the most overused little design technique in our days. Badges can be used to display a prominent 'pin' message on your site or to highlight prices or promotions. No Web 2.0 site is complete without one.