I just posted about the Wayback Machine and that got me wondering whether anything really disappears from the Internet when it is deleted. Certainly, a ton gets archived in the Wayback Machine as well as in Google cache and in RSS readers. Of course, if something appears on the Internet, somebody could see it and copy it before it gets taken down.
But I was wondering to what extent information can vanish completely from the Internet. Thus, if a blogger posts something and then deletes it a minute later, can it escape from permanent fame? Maybe some ill-fated performances might be so brief that they can sneak on and off the Internet without being caught. What about a comment to a blog post that gets zapped quickly by the blog author? Can this escape becoming part of some permanent record?
The question, put another way: Can something posted briefly on the Internet, seen and heard by hardly anyone, not snatched up by anybody, and then deleted, be gone forever? Is there an Internet equivalent to a tree falling in the forest that nobody hears?
I don’t know the answer to this question, and I would like to hear from those with more technical expertise.
UPDATE: People with expertise have answered, and their replies are worth checking out if you’re interested in the issue.
Originally posted at Concurring Opinions
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This post was authored by Professor Daniel J. Solove, who through TeachPrivacy develops computer-based privacy training, data security training, HIPAA training, and many other forms of awareness training on privacy and security topics. Professor Solove also posts at his blog at LinkedIn. His blog has more than 1 million followers.
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