Technology journalism is the activity, or product, of journalists engaged in the preparation of written, visual, audio or multi-media material intended for dissemination through public media, focusing on technology-related subjects. Technology journalism includes genres such as news, reports, and analysis covering a wide variety of topics, including communications technologies, the Internet, social media, the IT industry, scientific research, robotics, and laws and policy regarding the digital world. One common genre of technology journalism, the product review, may involve the journalist experimenting with and expressing opinions about specific devices or applications, often accompanied by a score in percentage or number out of 5