Timehop is a service that aims to help people in finding new ways to connect with each other by analyzing past activities. The service leverages posts from many social networks to build its own memory and use it to create new connections. Unknown attackers breached into its systems, the company discovered the intrusion while the hackers were exfiltrating the data. Stolen data includes names, email addresses, and some phone numbers, while no private/direct messages, financial data, or social media or photo content, or Timehop data including streaks were exposed.”]
Source: https://securityaffairs.co/wordpress/74297/data-breach/timehop-data-breach.html