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Others utilize the freemium revenue model, offering free registration and use, with optional, paid, premium services.Still others rely solely on paid membership subscriptions.Members can constrain their interactions to the online space, or they can arrange a date to meet in person.A great diversity of online dating services currently exists.
That is, online dating sites use the conceptual framework of a "marketplace metaphor" to help people find potential matches, with layouts and functionalities that make it easy to quickly browse and select profiles in a manner similar to how one might browse an online store.
Online dating services also differ widely in their revenue streams.
Some sites are completely free and depend on advertising for revenue.
There are mixed opinions regarding the safety of online dating.
Over 50% of research participants in a 2011 study did not view online dating as a dangerous activity, whereas 43% thought that online dating involved risk.
Because online dating takes place in virtual space, it is possible for profile information to be misrepresented or falsified.