By any measure, Snapchat has had a busy year. Meanwhile, Snapchat, by some metrics, had passed Facebook in daily photo uploads. The night of our interview, Spiegel strapped on a bowtie alongside co-founder Bobby Murphy to be honored by Time as one of the world’s 100 most influential individuals. The new app lets you text inside Snapchat for the first time and — you guessed it — once you leave a conversation, the messages disappear.