ALEX GOLDMAN: It’s the afternoon of March 22nd 2016, and Caty Caldwell, who’s a program manager at Microsoft in Seattle, is in a meeting. At approximately 2:30 p.m., her phone starts to blow up. CATY CALDWELL: I remember just receiving a number of Twitter, like, updates, like, all at the same time. I just, like, saw all of the people that I follow--and I follow a number of tech folk--um, just explode. So first I was like, “Who died?