Bill Clinton Calls Out George W. Bush On Twitter — and Bush Responds in the Best Way Possible

President Bill Clinton called out George W. Bush on Twitter Wednesday — and Bush responded perfectly.

Tweeting an image of himself reading "41: A Portrait of My Father," a book the junior Bush wrote about his father, Clinton skewered Bush for not having a Twitter account.

"#HowAreYouSTILLNotOnTwitter #PresidentialTweeters," Clinton hashtagged in his message to Bush.

Received my copy of #41 by #43, George W. Bush. Touching tribute! #HowAreYouSTILLNotOnTwitter #PresidentialTweeters pic.twitter.com/ECWvElzG44

— Bill Clinton (@billclinton) November 12, 2014

Bush, however, couldn't let Clinton have the last word.

The former president screen grabbed Clinton's tweet, posted it to Instagram and called Clinton out for not using the popular social media platform aimed at allowing individuals to quickly share photographs.

"Thanks, 42! Hope you like the book about your pal, #41. #HowAreYouSTILLNotOnInstagram #PresidentialGrammers #BrotherFromAnotherMother," Bush wrote back.

Thanks, 42! Hope you like the book about your pal, #41. #HowAreYouSTILLNotOnInstagram #PresidentialGrammers #BrotherFromAnotherMother

A photo posted by George W. Bush (@georgewbush) on Nov 11, 2014 at 4:47pm PST

(H/T: The Huffington Post)

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