Genius said it used morse code to catch Google stealing lyrics

”In 2016, Genius made a few changes to the punctuation in its song lyrics. Sometimes, it used a straight apostrophe. Other times, a curly one. 
Genius did this in a very specific sequence because when “the two types of apostrophes were converted to the dots and dashes used in Morse code, they spelled out the words ‘Red Handed.'”