In 2006, the organization ceased most operations, issuing its last press release in 2007 to announce that its former chairman, Mike Gravel, was running for President of the United States.

[3][4][5] These claims have been seriously questioned, including by many of those quoted in support, such as Andrew S. Tanenbaum, author of Minix; Dennis Ritchie, one of the creators of Unix; and Richard Stallman, leader of the GNU project.

Others have said that quotes attributed as being from an "interview with AdTI" were in fact from prerelease papers (Ilkka Tuomi) or from message board posts (Charles Mills, Henry Jones).

[7] The AdTI was preparing a new study in November 2004, tentatively titled Intellectual Property Left, to argue that "the IT industry sector's reluctance to pursue rampant IP infringement against public domain software developers and users is going to precipitate billions of dollars in balance sheet downgrades by Wall Street.

When the B-2 bomber program was threatened in 1995, the AdTI organised a letter to President Bill Clinton signed by seven former Pentagon chiefs: Dick Cheney, Caspar Weinberger, Frank Carlucci, Harold Brown, James Schlesinger, Donald Rumsfeld and Melvin Laird.