Chatter along Kauai’s “coconut wireless” rumor mill, an allusion to Facebook, has had its share of intrigue over the mysterious private compound being built there by Meta CEO Mark Zuckerberg. Some say it will contain an underground city, while others tag it as a post-apocalyptic bunker. Wired reporter Guthrie Scrimgeour’s investigation into the top-secret build on Hawaii’s oldest and smallest island pins these conjectures as conservative—for once, the rumors don’t go far enough. Though a wall of NDAs and a literal six-foot boundary makes peeking into the $270 million compound on 1,400 acres ne…