<http://schema.org/alternativeHeadline>
"Twitter secretly submitted four drafts of its IPO prospectus to regulators before making public the version that drew so much attention yesterday."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/132000/here-are-the-secret-edits-twitter-made-to-its-ipo-filing-hoping-investors-wouldnt-notice/>