Just a week after the food substitute shipped to its first official customers, soylent is now the subject of a long New Yorker profile from Lizzie Widdicombe, following founder Rob Rhineheart as he pitches his nutrition powder to a broader audience. Widdicombe focuses on Soylent's path to prominence in Silicon Valley, glossing over long-term nutritional concerns from skeptics but turning up some unexpected details along the way. One early version of the powder included too much sulfur, which meant that for days, Rhineheart and the other alpha testers "emitted clouds of sulfurous gas." As Rhineheart recalls, "I cleared out a jazz theater once."