Arianna is a co-founder of The Huffington Post, author of the recent New York Times best-seller The Sleep Revolution and recently stepped down as Editor-in-Chief of The Huffington Post to pursue her new wellness startup, Thrive Global, which will offer wellness trainings and workshops on stress reduction. Here's her business advice for entrepreneurs who want to start a business for the first time: "If you're going to start a business, you need to really love it, because not everybody is going to love it. When The Huffington Post was first launched in 2005, there were so many detractors. I remember a critic who wrote that The Huffington Post was an unsurvivable failure." "You have to really believe in your product to deal with the naysayers and persevere." @ariannahuff "When you get reviews like that and detractors like that, you have to really believe in your product. When you really believe in your product, you are willing to deal with al