Microsoft Employees Are Banned From Using This Popular AI App Microsoft Vice Chairman and President Brad Smith said data security concerns caused the company to ban this app internally. Previous Article Warren Buffett Says to Forget About 10,000 Hours of Practice — If You Want to Master Something, Do This Instead Next Article A Podcast Inspired Her to Leave the Corporate World and Start Her Own Business. Here's How She Built a Community of Loyal In-Store and Online Shoppers.