NEW YORK CITY — Language undergoes strange mutations inside the airy Chelsea loft Google refers to as “Basecamp.” People who’ve paid $1,500 for Google’s prototype head computer are “Explorers.” At a gathering of Explorers at Basecamp last Thursday, attendees didn’t exchange business cards, but “dead trees.” They nodded at observations like, “He’s one of the most intelligent people on the planet even without his augmentations” or “A website is still a barrier — you cant see the other side. …