<http://schema.org/description>
"We knew from previous reports that Thunderbolt would support Target Disk Mode but there was some doubt whether we would be able to boot from external drives using a Thunderbolt connection. ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2011/06/29/thunderbolt-supports-target-disk-mode-and-booting-from-external-drives/>