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“Compare any two captures of [URL] from our collection of [x] dating from [y] to [z].” This is great to know about. Now I just need to figure out what to click to do the comparison.
3mo
Answers to common questions about vaccine safety and autism.
www.cdc.gov
Autism and Vaccines
Stuart Semmel
Last week a CDC webpage about vaccine safety was edited. Using the "Changes" feature of the Wayback Machine we can see a "before and after" comparison: web.archive.org/web/diff/202... The Internet Archive's Wayback Machine is the change control system the web never had.
6mo
Mark Graham