For a long time, if you were a young innovator looking to make your name in the tech business, there was America...and then everyone else. The United States was the home of the biggest companies, the best facilities and was relatively welcoming to smart young disruptors who wanted to change the game. The first two things are still true—but as America has become harder and harder for immigrants to call their home, Canada has stepped up to fill the gap. Sure, it's nice to think about as emblematic of the sort of country we are—but it's also pragmatic: Canada used to suffer Brain Drain, losing talent to the south. Now the tables have turned. GUEST: Joel Rose, national correspondent, NPR