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X glitch wipes out most pictures and links tweeted before December 2014
(www.theverge.com)
This is a most excellent place for technology news and articles.
Eh. This is on us. URL shorteners and Twitter in particular have always been scarily brittle and opaque,. With nobody actively maintaining the data, why would you think that it would be around forever?
Exactly. It's always been likely to be broken by someone at some point. Url shorteners are a thing mostly because of twitters original character limit. Or at least that's when they gained popularity.