Breakup Notifier was a

web application A web application (or web app) is application software that is accessed using a web browser. Web applications are delivered on the World Wide Web to users with an active network connection. History In earlier computing models like client-serve ...

written by product developer and programmer Dan Loewenherz that enabled its registered users to track the relationship status of their

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friends. An email notification was sent to the user when one of their Facebook friends changed their relationship status. The app was one of the most viral Facebook app's at the time of its release. It was mentioned in a skit on ''

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'' and news of its popularity was published in ''

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'' magazine, '' The New York Post'',

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, and ''

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''.

Popularity and Facebook controversy

Breakup Notifier gathered 100,000 users in less than 24 hours of its launch and reached a user base of more than 3,000,000 in February 2011. Facebook then blocked the app. Loewenherz later created an app named Crush Notifier, which differs from the original app in that users can check if they have a mutual crush. Breakup Notifier was later unblocked by Facebook and monetized.

External links

*
Dan LoewenherzCrush Notifier

References

Mobile applications Relationship breakup {{mobile-software-stub