<http://schema.org/alternativeHeadline>
"The mystery surrounding how much domestic spying the US government has been conducting on its own citizens will only intensify in the coming days, as a growing number of the nine major internet companies linked to an alleged top-secret data-mining program deny they had anything to do with it."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/91997/prism-is-bigger-than-anything-that-came-before-it-but-no-one-knows-how-much-bigger/>