I can guarantee you that in one year neither you nor your friends who are working on it will think it was "once in a lifetime" idea--not because it's a trivial

I can guarantee you that in one year neither you nor your friends who are working on it will think it was "once in a lifetime" idea--not because it's a trivial idea, but simply because there's so much opportunity out there and people who can come up with a good idea can and will come up with another good idea. Also, Anchor is hardly a success, it's just an illusion because they're getting lots of PR. PR does not mean it will be a success. Which means your friends should keep working on it if they're passionate about it.