CALL has enhanced teaching/learning opportunities in Andrew's classroom by (1) aggregating weekly content and announcements on a class website, (2) providing online English learning resources, (3) enabling asynchronous collaboration through tools like voicethread and typewith.me, (4) assigning listening jigsaw assignments through youtube videos, (5) using presentation tools like Prezi and Powerpoint, (6) enabling video production through tools like jaycut and iMovie, and (7) providing content from sources like news websites, TEDx talks, and TV shows. Heidi has integrated tools like bookmarks, podcasts, typewith.me to make her class more interesting and promote learner autonomy. Kamila has