"To perform user-based analytics, Flurry needs some way of keep tracking of individual users. Yik Yak gave them the only user identification they have available

"To perform user-based analytics, Flurry needs some way of keep tracking of individual users. Yik Yak gave them the only user identification they have available: the userID." And, while reading the article, we all probably were: "No, please, I hope they didn't do what I'm afraid is following now ..."