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by sp332 3991 days ago
Why would you not use 301 redirects or just rel=canonical?
1 comments

There must be some platform issue is my best guess...
They could at least have allowed the Internet Archive in the robots.txt, since the way things stand all www.twitter.com links will be unavailable from the Wayback Machine. That will obviously be a huge loss to researchers.
(Update: the Wayback Machine will be fine, using the twitter.com/robots.txt)