Witkeys are a thriving type of web-based knowledge sharing market in China, supporting a form of crowdsourcing. In a Witkey site, users offer a small award for a solution to a tas...
Web 2.0 marks a new philosophy where user is the main actor and content producer: users write blogs and comments, they tag, link, and upload photos, pictures, videos, and podcasts...
Paolo Coppola, Raffaella Lomuscio, Stefano Mizzaro...