Why do so many technology projects in healthcare fail? by Professor Trisha Greenhalgh Who remembers a failed technology project in healthcare? I’m guessing all hands went up, since an estimated (though not formally verified) 80 percent of such projects fail. Why? Until recently, the answer was “we don’t know” since research on new technologies was limited to randomised controlled trials which compared a technology-on arm with a technology-off arm. Such studies could answer on