After leaking confidential documents in mid-2013 relating to surveillance activities by the US National Security Agency (NSA), Edward Snowden initially kept a low profile. In recent weeks, however, he has reached out increasingly to the media and the public, issuing a Christmas message, hosting an online chat and sitting down with German broadcaster NDR for his first television interview, broadcast originally in Germany on January 27.

Below, DW reviews Snowden's recent statements as well as the latest revelations concerning the NSA's programs and the reforms Snowden's disclosures have helped set in motion.