The financing was led by Frazier Technology Ventures. of Seattle. Lightspeed Venture Partners, of Menlo Park, Calif., also participated.

"Crush or Flush" is a networking site aimed at young people who use their cellular phones and computers to decide if they want to pursue someone they find interesting ("crush") or not ("flush").

According to IceBreaker officials, the service now has more than 150,000 registered mobile users only four months after its launch.

"With an average of 20 minutes per session, 'Crush or Flush' drives data usage and revenue for our partners, and builds a stable, fast-growing community for members," said Michael Robinson, CEO of two-year-old IceBreaker, in a statement.