> You cannot just copy and paste things from a public domain data source without first checking the copyright terms There's an oxymoron here. Many public data

> You cannot just copy and paste things from a public domain data source without first checking the copyright terms There's an oxymoron here. Many public data sources that are free to use, do in fact have copyright considerations to be made, correct. However, "public domain" does not have copyright terms attached. That is why it is in the public domain. If something is actually public domain, there is no copyright holder, and no terms to be enforced.