Many social networks are black boxes where you have to be logged in to see the content. And especially things like a face book, which morfs for everybody that sees it, so that every time anybody that sees it, you're seeing a completely different face book. It's customized to just you and your bubble. So we archive the publicly accessible face book and twitter that we canA lot of those platforms don't make it particularly easy, but we do what we we can am to try to make an enduring access to the cultural record....