Andreessen Horowitz is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It is located at 2865 Sand Hill Road, Suite 101. Menlo Park, CA.
Y Combinator also operates Hacker News, a social link sharing site where users can submit and share news. The front page consists of 30 links at a time, sorted via an algorithm that takes into account upvotes from the community. According to SimilarWeb, the site receives over 20 million visits per month.