Kurzweil wrote seven books (five of them were national bestsellers) about topics like health, artificial intelligence (AI), transhumanism, immortality, the technological singularity, and futurism. He speaks to people and gives speeches at conferences like DEMO, SXSW, and TED. He also maintains the news website KurzweilAI.net. It has more than three million readers per year. He has a sibling, a son, Ethan Kurzweil, and a daughter, Amy Kurzweil.