人人正能量 is a free Chrome add-on developed by L.Yuyang. It is designed to enhance the user experience on the popular social networking site, 人人网 (Renren). This add-on allows users to vote on news posts, determining whether they are categorized as "positive energy" or "negative energy." Users can also view the overall voting results from the entire user base.

With 人人正能量, users can actively participate in shaping the content they see on 人人网. By voting on news posts, they can contribute to promoting positive and uplifting content or flagging negative and discouraging content. This add-on aims to create a more engaging and constructive environment for users to interact and share news with each other.

As a part of a data-related course project, 人人正能量 showcases the developer's skills and future plans for similar projects. It offers a simple and straightforward way for users to express their opinions and influence the content they encounter on 人人网.