The Blog data source combines material from a wide variety of sites, ranging from well-known hosts such as Blogger with very large numbers of active users to small, single-user sites that run as blogs or incorporate a blog.
For more information, take a look at Understanding the Output Data in our documentation suite.
Example Use Case:
You want to count mentions of a competitor's brand across as many social media sites as possible. Activate the Blog data source and use the interaction.content target in your filter to capture posts from every available source. By spreading your 'net' in this way you can add extra volume to your input data, to make your statistical analysis more significant.