Talk:1909: Digital Resource Lifespan
Even PDFs can be broken, which is why we have PDF/A (archive) - a subset of PDF that has no external dependencies and thus should last forever.
CD scratched, new computer has no CD drive anyway. - First, you can still buy external CD-ROM drive, for example connected via USB cable. Second, you can try recover data from scratched CD with tools such as ddrescue (free and OSS) or IsoBuster (shareware). --JakubNarebski (talk) 17:51, 30 October 2017 (UTC)