out of the loop

First use appears c. 1973. See cite below. Its use is thought by some to have roots in computer or telephony terminology.

• "Automation technology can lead to complacency when it takes the controller ‘out of the loop’ by reducing the need for his interaction with a flightcrew and de-emphasizing the cooperative aspects of the air traffic system."
• ""I was out of the loop," he added, explaining that he was planning to leave government at that time."
• "“Well, we've been out of the loop for a few hours. Anything new that you know?”"
• "The members of parliament have felt ignored by their leaders for much of this crisis, and were kept out of the loop during the negotiations."

• out of touch
• in the dark

• in the loop
• in touch