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Jeff Elder's Twitter Photo

Jeff Elder's Twitter Photo

RT @EricaAmerica: This is awesome: David Perlman, 94, @sfgate science writer, checks out Twitter. cc @jinen @marksluckie via @JeffElder

Jeff Elder's Twitter Photo

Jeff Elder's Twitter Photo

RT @JeffElder: Amazing David Perlman, 94, Chron science writer, checks out LAT profile of him, colleagues' kind words on Twitter.

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