<http://schema.org/alternativeHeadline>
"Twitter\u2019s Biz Stone calls developer discontent \u201CGrowing pains\u201D"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2011/03/17/twitters-biz-stone-calls-developer-discontent-growing-pains/>