arXiv Vanity used to render academic papers from arXiv as responsive web pages so you didn't have to squint at a PDF. arXiv now has HTML papers, so arXiv Vanity doesn't need to exist any longer. arXiv Vanity was built by Ben and Andreas. When we were on vacation in Greece, Andreas was squinting at an arXiv paper on his phone. "Why the hell are these papers PDFs?" he complained, and we discovered o