Newsletters Sign up for our biannual newsletter or download previous PoWG newsletters: PoWG Newsletter January 2015 PoWG Newsletter October 2009 (Vol.2 No.2) PoWG Newsletter February 2009 (Vol.2 No.1) PoWG Newsletter September 2008 (Vol.1 No.2) PoWG Newsletter July 2008 (Vol.1 No.1)