Big data refers to large, complex datasets that are difficult to process using traditional tools. Internews uses big data and data verification techniques to analyze large amounts of related information and spot trends. Data verification involves falsifying or verifying the context, content, and source of information through methods like crowdsourcing, engagement with sources, and media authentication to establish the truth. The challenge is how to effectively verify crowdsourced information and use big data to provide decision makers with reliable insights.