LOL' vs. 'haha': Facebook study reveals how we laugh online
Amazon.com: LOL: Funny Jokes and Riddles for Kids: Laugh Out Loud, Book 2 (Audible Audio Edition): Johnny B. Laughing, Wes Super, Hey Sup Bye Publishing: Audible Books & Originals
LOL | Know Your Meme
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LOL Laugh Out Loud Text Graphic Stock Vector | Adobe Stock