ReactJS is an open source JavaScript library used for writing user interfaces. It revamps the way developers write web applications. More and more front end developers start to use this Facebook crafted library in their products or projects nowadays.However, although ReactJS is an open source library under BSD license, it doesn't mean there is no risk to freely adopts it in your products. If you are building or plain to build some products which may compete with Facebook or its subsidiaries, your license for using ReactJS will be revoked immediately. Kind of surprise, right?In fact, ...