https://www.aclu.org/blog/free-future/facebook-instagram-and... Instead of ArsTechnica, why not link to the ACLU's website?
>Twitter did not provide access to its “Firehose,” but has an agreement, via a subsidiary, to provide Geofeedia with searchable access to its database of public tweets.
I really would like Twitter to share what search words were entered. It would give us a first-hand window on what government agencies are trying to monitor, usually secretly.