India is the world's second largest wireless market with over 850M mobile subscribers. The recent surge in the Internet penetration coupled with the infusion of smartphone growth make India an ideal market for a new mobile Internet company. Hike Messenger, India’s only cross-platform instant messaging app, has crossed the 15M-user mark, growing 3X in just 9 months. Hike uses MongoDB because of its enterprise-grade capabilities, uptime and scalability, which Hike needs to meet its demanding user growth. Learn how Hike Messenger chose MongoDB for this use case; how it scaled on Amazon Web Services; and what it has in store for the future.