David E. Y. Sarna is a writer and retired entrepreneur. He has eight published books including Evernote For Dummies, V2, hundreds of articles, and has nearly completed his first novel, about the Jewish treasures in the Vatican’s secret archive. He is hard at work on a book about the Internet of Things and also on a book on the Talmud for general readers. He and his wife, Dr. Rachel Sarna, are long-time Teaneck residents.