bi-directional

Actually, he didn't try to take off on any of the four bi-directional runways at the airport.

Sen. Inhofe is not an X-Man. Al Kamen 2010

But for that to work the line has to stay up (Qwest tends to drop connections for a couple of days once a year), it has to be fast (we're talking 40 mbps bi-directional, not 1.5mbps down/364kbps up), and fast everywhere (not just downtown).

David Thielen: How the State of Colorado Could Increase Jobs, But Won't David Thielen 2011

As Clay Shirky writes in Cognitive Surplus, broadcast communication channels have become bi-directional.

Mehret Mandefro: The Revolution of Relevance Mehret Mandefro 2010

Actually, he didn't try to take off on any of the four bi-directional runways at the airport.

Sen. Inhofe is not an X-Man Al Kamen 2010

We could additionally start bi-directional forums for teachers to exploit the knowledge and inherent interest of tech-savvy children.

George T. Haley: When Government Fails: Grade F for Education George T. Haley 2010

As Clay Shirky writes in Cognitive Surplus, broadcast communication channels have become bi-directional.

Mehret Mandefro: The Revolution of Relevance Mehret Mandefro 2010

Right now, you can only search for and directly access recordings on a Dish DVR from the Google TV interface, as it's the only DVR that supports bi-directional communication with the TV.

Sony launches Google TV, promptly renames it Sony Internet TV 2010

They had a great bi-directional communication apparatus to the blogs.

Matthew Yglesias » Righting the Course 2009

As Clay Shirky writes in Cognitive Surplus, broadcast communication channels have become bi-directional.

Mehret Mandefro: The Revolution of Relevance Mehret Mandefro 2010

(Which is further evidenced by the fact that this discussion is beginning to be bi-directional, with some, such as Fr. John Baldovin, S.J. “critiquing the critique” so to speak -- see here.)

Reform in Continuity: Re-approaching the Second Vatican Council 2009