The document discusses hacking techniques that could be used on Web 2.0 platforms. It presents 5 fictional stories describing how malware or malicious actors could take advantage of features like social networking, mashups, cloud data, and social bookmarking to conduct attacks like information leaks, spamming, profiling users, or distributing malware. The stories are meant to highlight potential security issues in an educational way and provide examples of how existing hacking techniques could manifest in a Web 2.0 context. The document concludes by asking for solutions and recommendations to address these potential security problems.