In September 2007, a massive amount of inside e-mails were leaked from anti-piracy business MediaDefender by an nameless hacker. The organization at the same time declared Safari 5..6 in late June 2010 within Mac OS X 10.5 Leopard, even though the new capabilities ended up excluded from Leopard consumers. Kreutz, Gunter Brünger, Peter (27 June 2012). "A shade of gray: Negative associations with newbie choral singing".