By the time Kai Nagata got out of the pool, the iPhone on his towel was vibrating out of control. A half hour earlier, before taking a night swim in July, 2011, at a public park in Kitchener, he had tweeted the following: "After careful reflection, I've decided to leave my job at CTV. You can read more at www.kainagata.com."
He linked it to his website, where he posted a 3,000-word manifesto explaining his resignation as the media company's Quebec bureau chief. The post – a musing on the moral shortcomings of TV journalism ("there was a growing gap between the reporter I played on TV, and the person I really am and want to become") – went viral.