On one of the final days of 2018, Bloomberg News reporter Ben Bartenstein posted a 12-tweet thread that went viral.

“Half of the sources I quoted this year for @business were women,” he wrote. “That’s 337 in total, or about one a day. Unfortunately, it’s an anomaly in journalism & something I’ve failed at miserably in the past.”

Bartenstein shared that a meager 13 percent of the sources he quoted in 2017 were women. “I was appalled,” he tweeted. “Here I was thinking & talking about diversity on a daily basis, yet my own work didn’t hold up to snuff.”

Click here to read the full story.