Yes/No; While it is free to use, POF offers premium services as part of their upgraded membership, such as seeing the date and time a user viewed your profile and allowing you to see whether a user read and/or deleted your message.A database misconfiguration leaked the profiles of 1.5 million people registered on several large dating sites all over the world.A careful analysis of some of the accounts shows that this is real user data.It is unclear how the database was leaked online but the data stored in the leaked database is highly sensitive as it contains personal details of 1.5 million registered users.Mac Keeper has notified the operator about the issue.They responded with an email claiming that the data contained only test data.
This includes the date of birth, weight, race, height, gender, IP addresses, country of origin and other profile information. Members only see intersection of what they are looking for and what other members are looking for. Free messaging and status posting for undergraduates (5 messages/day limit).All Paid users can message and post and they also have added benefits. Anyway this is off-topic, too broad and opinion-based. "I need to consider scalability and performance" - then starting out with a relational database might not be the way to go, because your database is going to become your monolithic bottleneck which will become very expensive to scale.Security experts from the Mac Keeper Security Research Center discovered that a Mongo DB database owned by C&Z Tech Limited has exposed data from its contents.