Invitations and article reviews test for participation

OK! I will send an e-mail to the JoPP editors and see what they think about this.

Btw, I didn’t read this but it sounds relevant: http://www.artisopensource.net/2015/06/29/the-third-infoscape-data-information-and-knowledge-in-the-city-new-paradigms-for-urban-interaction/