One, when those teachers are doing that, there's the obvious benefit -- the benefit that now their students can enjoy the videos in the way that my cousins did, they can pause, repeat at their own pace, at their own time.
Una, que els professors que ho fan així tenen un benefici evident; el benefici que ara els seus alumnes poden gaudir dels vídeos igual que els meus cosins. Poden fer pausa i repetir-los al seu ritme quan els va millor.