That being said, Twitter can reject your file with a less-than-helpful message of: "There was a problem uploading your subtitle (.srt) file." So it's important, at least when you first start, to ...

Good news: I’m not sick anymore. Bad news: I’m going to be sick to my stomach when they invariably kill off my favorite bad guy, Thanos the thick-chinned, in this week’s Avengers: Endgame. Ah well.