They are different words. You don't TL;DR a book. You'd do a Summary (or Cliff notes) of it. I'd also argue it's new and internet based. Scientist have 'Abstr

They are different words. You don't TL;DR a book. You'd do a Summary (or Cliff notes) of it. I'd also argue it's new and internet based. Scientist have 'Abstract' because they need it. The general public simply did not publish pre-internet. Now they do. So needed a new word. https://www.urbandictionary.com/define.php?term=tl%3Bdr https://www.urbandictionary.com/define.php?term=tl%3Bdr