The power to secretly create government propaganda is among the many hacking tools revealed in the latest batch of Edward Snowden documents.

Spies can manipulate online polls — or trick the world into thinking a video or web page is going viral.

A collection of hacking tools — some of which are specifically suited to spreading disinformation — were exposed in a leaked 2012 document provided by Snowden

The toolkit belongs to the U.S. National Security Agency’s British counterpart, the Government Communications Headquarters (GCHQ for short).