SAN FRANCISCO (AP) — To President Donald Trump, it was an awkward slip of the lip. To Apple CEO Tim Cook, it was an opportunity to poke some sly fun at a president who has often clashed with the tech industry. A day after Trump mistakenly referred to Cook at a White House meeting as "Tim Apple" — an understandable slip, perhaps, coming from the owner of the Trump Organization — Cook quietly altered his Twitter profile , replacing his last name with the Apple logo. Cook didn't publicly acknowledge the change, but it didn't take long for Apple fans to notice and spread the word. Non-Apple fans, though, may not get the joke.Read more on NewsOK.com