The document discusses approaches to future-proof legislation related to investigatory powers to account for rapid technological change. It notes that past legislation like RIPA has become incomprehensible due to numerous patches. When drafting the Investigatory Powers Bill, the government defined key terms broadly in an attempt to make the bill flexible and technology-neutral, but this led to significant confusion. The document argues that concrete, technology-specific drafting combined with sunset clauses, parliamentary reviews, and transparency may better balance privacy and security as technologies change over time.