1. The document discusses privacy challenges in the era of big data. It defines big data as extremely large data sets that are difficult to store, manage, and process using traditional methods due to the volume of data and processing speed/costs. 2. While big data provides benefits from insights discovered through analysis, it also challenges core privacy principles. Data collected and analyzed at large scale may not be truly anonymous, and re-identification is possible using additional data sources. Existing privacy laws may not cover analysis of non-personal data. 3. To address privacy risks, the document recommends expanding definitions of personal data and consent under privacy laws. Organizations collecting and processing big data should also implement privacy impact assessments, be