https://www.mercurynews.com/2019/11/21/barack-obama-in-s-f-strange-times-as-tech-social-media-have-polarized-us/ > SAN FRANCISCO — Even as Barack Obama on Thursday acknowledged that technology helped propel him to the presidency, he also cited it as a contributor to political polarization and anxiety over inequality and globalization. > The former president of the United States spoke with Salesforce CEO Marc Benioff at Dreamforce, the cloud software company’s annual conference, on the same day as public hearings in the impeachment inquiry into his successor, President Donald Trump.