>Are all or most of these still in use today? Yes, largely (some are more regional). If you check the link in my post here: https://news.ycombinator.com/item

>Are all or most of these still in use today? Yes, largely (some are more regional). If you check the link in my post here: https://news.ycombinator.com/item?id=32353697 https://news.ycombinator.com/item?id=32353697 Those are recent (2010) and since they are in video you can better recognize them as compared to static drawings or photos.