Facebook has redefined via (?)

[Barbara Need]

I am getting FB updates labeled X via Y where  message is posted by X
who got it from Y.  (So if a link is put up marked John via Mary then
John is a person you know and is the immediate source of the link; you
may or may not know Mary and she is John's source). I can't get that
and the OED definition does not seem to work either. I would have to
say either John from Mary or Mary via John.

Barbara

Barbara Need
Chicago

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