<http://schema.org/keywords>
"Unlock"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/tech/u-s-department-of-justice-calls-apple-s-refusal-to-unlock-iphone-a-marketing-strategy/story-63k31rO9hX4yXnAWvQcUjK.html>