Some of it comes from paper documents and PDFs. Bloomberg has a team of people who organize and cross-reference such documents. If you're wondering why the or

Some of it comes from paper documents and PDFs. Bloomberg has a team of people who organize and cross-reference such documents. If you're wondering why the original documents are not more directly machine readable, consider that some of them are published by companies due to regulatory obligations, and those companies would much prefer not to publish the information at all. So making the documents easier to consume is where Bloomberg comes in--because the originators don't want to.