In the spring of 2009 Rattray hit upon the idea of charging not-for-profits for access to potential donors.

FORBES: The Business Behind Change.org's Activist Petitions

Greg Rattray, Strategic Warfare in Cyberspace, Cambridge, MA: MIT Press, 2001, pp. 8-14.

CENTERFORSECURITYPOLICY: Center for Security Policy | Chinese Information Warfare: A Phantom Menace or Emerging Threat? | Page: 18

Rattray says Change.org plans to release new policies in October clarifying who can and cannot advertise on the site.

FORBES: The Business Behind Change.org's Activist Petitions

Rattray argues that strategic IW can only reasonably achieve an offensive advantage.

CENTERFORSECURITYPOLICY: Center for Security Policy | Chinese Information Warfare: A Phantom Menace or Emerging Threat? | Page: 15

"Since the closure of the theme park, there has been a great deal of interest in the future of the site, " said Mr Rattray.

BBC: Loudoun Castle

Clare Brennan said she hoped the exhibition would encourage more people to appreciate Rattray, who died in 2000, and perhaps uncover more previously uncatalogued work.

BBC: Vincent Rattray

Rattray decided to launch Change.org on the eve of starting law school at NYU. The company tried building social networking and fundraising tools for nonprofits.

FORBES: The Business Behind Change.org's Activist Petitions

It was founded in 2007 and spent the better part of two years flailing around for a profitable business model until Rattray hit upon a clever approach.

FORBES: The Business Behind Change.org's Activist Petitions