Groupon’s Biggest Deal Ever: The Inside Story of How One Insane Gamble, Tons of Unbelievable Hype, and Millions of Wild Deals Made Billions for One Ballsy Joker

    Written by Groupon’s PR Department By Frank Sennett St. Martin’s Press, $25.99, 310 pages, Groupon was once the darling of the new wave of digital commerce. It offered a new way for people to save money in stores, while offering stores a new...