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A comment on Facebook crawls links in PDFs you send in Messenger. Parent comment

Re:Facebook crawls links in PDFs you send in Messenger by exadeci on Sunday October 27, 2019 @08:00PM (#21373304)
Try sending a link immediately and you'll see that it doesn't get a preview.

Give it a few second after pasting it and you'll get the preview, because it gets it from your device.

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