She brought diverse skin tones emoji to the iPhone. Now she's suing Apple Reed Albergotti, The Washington Post March 10, 2021 FacebookTwitterEmail Katrina Parrott, founder of iDiversicons, is shown with her app's emoji on Feb. 23, 2021 in Houston.Photo for The Washington Post by May-Ying Lam For Katrina Parrott, being invited to present her idea to Apple at its campus in Cupertino, Calif., felt like a dream. Less than a year earlier, she had been laid off from her job with NASA in Texas. Now, she was discussing partnering with the iPhone maker on an idea she had pioneered: emoji with different skin-tone options.