I just save the pdf of a site that's really important to me. When I did a major college project in 2003, I made sure to make pdfs of any academic article that

I just save the pdf of a site that's really important to me. When I did a major college project in 2003, I made sure to make pdfs of any academic article that I referenced. It actually saved me, because some articles disappeared by the time I went to revise my references.