We didn't have big enough compute and data to do interesting things with them until recently. That changed with ImageNet in 2012
https://www.technologyreview.com/2020/11/03/1011616/ai-godfa...
Sort of- Yann LeCun had working neural network based letter recognition, used by the Post Office.
Sort of- Yann LeCun had working neural network based letter recognition, used by the Post Office.