Tech luminaries set agenda [...] by the grace of flashlights, candles and cold food, the event went on, the private room of Nancy Oakes' restaurant slowly filling with the tech industry's leading lights. The point of packing this much industry brainpower into one space was to stimulate a debate on the state of technology, to inform the program for Fortune Brainstorm Tech 2013, the business magazine's annual conference in Aspen, Colo., in late July. Other prominent tech figures emerged from the room's shadows, as the event moderator, Fortune Senior Editor at Large Adam Lashinsky, asked everyone to state their name and employer. Weiner said the company laid a foundation for success with its diversified revenue streams and the introduction of recent features, including regular "Influencers" essays from people like Virgin's Richard Branson, and the ability of users to endorse connections for particular skills. Yahoo's Mayer stood up to counter the dismissal of wearable computing, saying that the growing use of mobile sensors in things such as Nike's FuelBand, a wristband that tracks daily physical activity, is shifting the Internet "away from screens ... to help us all live better."