DNA Sampling from Historical Documents

Who knew we would reach the place where we can sample DNA from historic documents? The following is a link to a wonderful article from The Atlantic about this area of research. I use eraser crumbs many times for surface cleaning during conservation treatment. I now have a different view of what may reside in those eraser crumbs! https://www.theatlantic.com/science/archive/2019/02/dna-books-artifacts/582814/?fbclid=IwAR1m33GUumuDSgUIXIR3HVdwPS2PUsf1YwoNsvd0639wbrcIXsvKxVSOmOk