>The only thing I can see is that it would have saved on capital costs back in the ancient days of yore when computer hardware was expensive and quantities were

>The only thing I can see is that it would have saved on capital costs back in the ancient days of yore when computer hardware was expensive and quantities were limited and getting every candidate in front of a computer wasn't practical. This is part of it, but also, before about 10-15 years ago, the standard workplace computer was a large tower with a large and heavy tube monitor. Moving a setup like that into and out of a conference room for an interview is cumbersome. But leaving it in a conference room all the time means that a big chunk of the conference room table is continuously occupied by an unused computer.