I enjoyed DK encyclopedias in my childhood too. Also had a full set of Britannica CDs. But do these qualify as ed-tech when they are not being used institutiona

I enjoyed DK encyclopedias in my childhood too. Also had a full set of Britannica CDs. But do these qualify as ed-tech when they are not being used institutionally? Wasn't the original comment about using VR/AR solutions in classrooms?