It offers simultaneous bi-directional 10Gbps transfer speeds over a single cable, with the flexibility to daisy-chain up to six Thunderbolt-ready devices with a single connection as well as offering full display port support for a 7th Thunderbolt or display port equipped monitor.
He was a Hewlett-Packard engineer in the 1960s, eager to build a large-screen displaymonitor, when company founder David Packard told him it was a stupid idea.