"In eight years, we grew Zoosk to 200 employees and USD150+ million in revenue. On the way to this milestone, we relied on hard work of our team and support of amazing mentors and investors raising over USD60 million in venture capital in the process. With the business thriving and an amazing executive team in place, last year we stepped back from the day-to-day operations of the company and took some time off."
Zoosk failed its IPO and it seems is going to be closed soon due to high operating losses.
article at vator How does Zoosk make money?
No IPO for Zoosk
Zoosk October 2013 redesign
Perhaps Zoosk will be a stupid investors series case of study!