The growing number of data providers makes navigating the new data landscape daunting. Data originators, data aggregators, data brokers, curated and self-service marketplaces, and insights service providers deliver new, alternative data to market, while data from governments, universities, nonprofits, and international organizations further expands the pool. This report provides business insights pros with an overview of the diverse options for sourcing external data and complements Forrester’s companion report on best practices for data sourcing.