Enhancing group awareness on the web: Prototype and experiments of sharing web page visitation information among teammates

► Sharing current & past Web visitation information within groups via a browser plugin. ► Group awareness and collaboration promoted by sharing of visitation information. ► The usefulness decreases when visitation overlap rate either too high or too low. ► Past visitation information sometime is more useful than current ones. ► Showing visitations only to peers viewing the same page avoids privacy issues.