Nenad Romić (aka Marcell Mars, b. 1972). Advanced internet user .
Marcell is one of the founders of Multimedia Institute - mi2 (1999) and club mama in Zagreb (2000). He initiated GNU GPL publishing label EGOBOO.bits (2000); started Skill sharing (2004) informal meetings of technical enthusiasts in mama + regional hacker gatherings “Nothing will happen” (2007).
Mars started his research Ruling Class Studies  at Jan van Eyck (2011-12) , continued at Akademie Schloss Solitude (2013)  and since spring 2015, he is a PhD student at Leuphana University in DCRL (Digital Cultures Research Lab). "Ruling Class Studies" is a research of corporate state-of-the-art digital innovation, adaptation, and intelligence. It looks closely at the Google, Amazon, Facebook and eBay.
Public Library  was established in 2012 to develop sociotechnical infrastructure and invigorate (again) historical argument for universal access to knowledge. Marcell often plays as a narrator of the project. Also develops software: [let’s share books]  Calibre plugin and related server infrastructure . Public Library was heard and exhibited at Museo Reina Sofia, 98weeks, Impakt Festival, Transmediale, The New School, Kunstverein Stuttgart .