For Teens, "Moments" Are Social Status Symbols

On her way into work at Twitter's London offices this past May, Melina Sharma was struck by a flashback. It was prom season, and Sharma was reminded of when she was a senior in high school ordering her dress online. As anyone who orders clothes online regularly knows: what comes in the mail doesn't always look like what you see online. Unfortunately, this was the case for Sharma — the dress that arrived was a good 10 sizes too large. When Sharma got into the office, she started searching...