<http://schema.org/url>
<http://thenextweb.com/eu/2012/03/26/vox-io-amps-up-the-real-time-communication-adds-instant-messaging-support/>
<http://thenextweb.com/eu/2012/03/26/vox-io-amps-up-the-real-time-communication-adds-instant-messaging-support/voxio/>