How long does it take to learn English? That is probably the one-million question of our era. At a time of fast-food, instant messages, real-time distance interaction, and quick fixes to (almost) everything, learning a language becomes one more item on our “fast-track” bucket list. As a way to attract market and become more competitive, several English language institutes in Brazil tend to sell quick-fix programs in which students are promised to speak English in as fast as one year (maybe less?). But do such programs really offer...