Signs on a giant Redwood tree alongside the entry road prepare arriving campers for their tech-free experience at Camp Grounded in Navarro, California June 20, 2014. Camp Grounded, now in its second year, offers hyperconnected attendees a brief respite from the incessant noise of Facebook, Twitter and a plethora of other media relentlessly battling for their attention. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SOCIETY TRAVEL ENVIRONMENT BUSINESS)