“In 2019, we take our entertainment in microdoses. A complete story may be unspooled in a fleeting video snippet, a tweet, a GIF. The social media app TikTok has built an entire world on that premise, amassing a vast global collection of 15-second clips that are changing the way we sing, dance, pose, joke, dress, collaborate and cook.” The olds at the NYT spent 48 hours in the strange and beautiful world of Tik Tok. (Thankfully, they didn’t find my daughter’s video with me screaming, “I’m going to delete that damn app” in the background…)

+ In Tokyo, a man was arrested on suspicion of stalking a female pop idol by studying reflections of her pupils in photos she shared on social media and using Google Street View to find where she lived.