One thing you’ll hear as a 1L is that you should be briefing cases before classes. This is definitely helpful for learning the cases and getting better at pulling out the important takeaways of cases, but it is very time consuming. What I found instead to be helpful is to brief cases with different color highlighters in the book. I mostly used hard copy textbooks instead of e-books so I was using physical highlighters but this strategy works with e-books too. You don’t need to have elaborate bri