Ask HN: How does Sway app know where I work and crush?

3 points

12 years ago

I got an email by Sway app[1] that someone from my organization has a crush on me and three of my facebook friends are using this app.

I have never signed up on any dating site, never signed up using facebook or standalone login.

I am wondering if Facebook sold my data? The reason I feel this way is because how do they know my place of work and that someone at the same place has a crush on me without me signing up for the app?

[1] https://itunes.apple.com/us/app/sway-your-new-dating-app-aka/id737328371?mt=8

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