Jordan Nabigon is the CEO of the content curation site Shared. He was a big Facebook customer, spending nearly $46 million in ads on the site.<br />That is, until the platform booted him without warning or explanation.<br />According to Business Insider, Facebook says Shared violated the site's terms and conditions. However, it wouldn't explain what the violations were.<br />Nabigon says several of Shared's pages have been unpublished since October 26, taking 21 million of the company's followers with them.<br />He added that Facebook gave him no warning that they could or would unpublish his pages, and that Facebook told him the decision was final.<br />Business Insider reports Facebook has also locked Nabigon out of his personal account.